托福
课程: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
- abalone
- abandon
- abandonment
- abbreviate
- abigail
- able
- abnormal
- abnormality
- aboard
- abolish
- aboriginal
- aborigine
- abound
- above
- aboveground
- abrasion
- abreast
- abroad
- abrupt
- abruptly
- abruptness
- absence
- absent
- absenteeism
- absolute
- absolutely
- absorb
- absorption
- abstract
- abstraction
- absurd
- abundance
- abundant
- abundantly
- abuse
- abut
- academic
- academically
- academician
- academy
- accelerate
- acceleration
- accept
- acceptable
- acceptance
- access
- accessibility
- accessible
- accessory
- accident
- accidental
- accidentally
- acclaim
- accommodate
- accompaniment
- accompany
- accomplish
- accomplishment
- accord
- accordingly
- accordion
- account
- accountant
- accrete
- accumulate
- accumulation
- accumulator
- accuracy
- accurate
- accusation
- accuse
- accustom
- acetate
- achievable
- achieve
- achievement
- achingly
- achondrite
- acid
- acidic
- acidity
- acknowledge
- acorn
- acoustic
- acoustical
- acquaint
- acquaintance
- acquire
- acquisition
- acre
- acreage
- acronym
- across
- act
- action
- activate
- active
- actively
- activist
- actor
- actress
- actual
- acute
- adapt
- adaptability
- adaptable
- adaptation
- adaptive
- addition
- additional
- additionally
- additive
- address
- adept
- adequacy
- adequate
- adequately
- adhere
- adjacent
- adjoin
- adjunct
- adjust
- adjustment
- administer
- administration
- administrative
- administrator
- admirable
- admiral
- admiration
- admire
- admission
- admit
- admittedly
- adobe
- adolescence
- adolescent
- adopt
- adoption
- adorn
- adornment
- adrenaline
- adrift
- adult
- adulthood
- advancement
- advantage
- advantageous
- advantageously
- advent
- adventure
- adventurer
- adventurous
- adverse
- adversely
- adversity
- advertise
- advertisement
- advertiser
- advice
- advise
- adviser
- advocate
- aero
- aerodynamic
- aesthetic
- aesthetically
- afar
- affair
- affect
- affection
- affectional
- affiliate
- affinity
- affirm
- affix
- afflict
- affluent
- afford
- affordable
- affront
- Afghanistan
- afield
- afloat
- afraid
- Africa
- African
- afterlife
- afternoon
- afterward
- afterwards
- again
- against
- agency
- agent
- aggravate
- aggregate
- aggregation
- aggression
- aggressive
- aggressiveness
- agility
- agitate
- agitation
- agonize
- agrarian
- agree
- agreement
- agricultural
- agriculturalist
- agriculturally
- agriculture
- ahead
- aid
- aide
- aie
- ail
- aim
- airborne
- aircraft
- airflow
- airplane
- airport
- airstream
- airway
- airy
- akin
- ala
- alarm
- Alaska
- Alaskan
- albedo
- alchemist
- alcohol
- alder
- aldosterone
- alert
- alertness
- alga
- algae
- alien
- alienate
- align
- alike
- alive
- alkali
- alkaline
- alkaloid
- allay
- allegory
- allende
- alligator
- allocate
- allocation
- allow
- alloy
- allude
- allusion
- alluvial
- almanac
- almost
- aloft
- alone
- alongside
- aloof
- aloud
- alp
- alpha
- alphabet
- alphabetically
- alpine
- already
- alter
- alteration
- alternate
- alternately
- alternative
- alternatively
- altitude
- altogether
- alumina
- aluminum
- alumnus
- always
- amass
- amateur
- amaze
- amazement
- amazingly
- ambidextrous
- ambience
- ambient
- ambition
- ambitious
- ameliorate
- amenable
- amendment
- amenity
- Americana
- Americanism
- amid
- amino
- ammonia
- amnesia
- amniotic
- ample
- amplification
- amplifier
- amplify
- Amsterdam
- amuse
- amusement
- anaerobic
- analogous
- analogy
- analysis
- analyst
- analyze
- anathema
- anatomy
- ancestor
- ancestral
- ancestry
- anchor
- Andromeda
- anecdotal
- anemone
- anew
- anger
- angiosperm
- angiotensin
- angle
- Anglo
- angry
- angstrom
- angular
- animate
- animation
- ankle
- annex
- annihilate
- announce
- annual
- annually
- anomaly
- anonymous
- ant
- antagonism
- antagonistic
- antarctica
- anteater
- antecedent
- antelope
- antenna
- anthocyanin
- anthropological
- anthropologically
- anthropologist
- anthropology
- anthropomorphism
- anti
- antibiotic
- anticipate
- antifungal
- antipathy
- antiquate
- antiquity
- anvil
- anxiety
- anxious
- anxiously
- anymore
- anyone
- anyplace
- anything
- anytime
- anyway
- anywhere
- apace
- apart
- apartment
- ape
- aphid
- apiece
- appalachian
- apparatus
- apparent
- appeal
- appearance
- appetite
- apple
- applicability
- applicable
- application
- apply
- appoint
- appointment
- apportion
- appraisal
- appreciable
- appreciably
- appreciate
- appreciation
- apprentice
- approach
- appropriate
- appropriately
- approval
- approve
- approximate
- April
- aptly
- aquatic
- aqueduct
- aquifer
- Arab
- Arabian
- aragonite
- arbitrary
- arboreal
- arc
- arcade
- arch
- archaeocyte
- archaeological
- archaeologist
- archaeology
- archaeopteryx
- archaic
- archipelago
- architect
- architecture
- arctic
- arduous
- arena
- argon
- argue
- argument
- arid
- aridity
- arise
- aristocracy
- aristocrat
- aristocratic
- arm
- armor
- armory
- army
- aromatic
- arousal
- arouse
- arrange
- array
- arrest
- arrival
- arrive
- arrow
- arsenal
- arsenic
- arthritis
- arthropod
- article
- articulate
- artifact
- artificial
- artificially
- artisan
- artiste
- artistic
- artistically
- artistry
- artwork
- ascend
- ascent
- ascribe
- ash
- ashcan
- ashore
- Asia
- Asian
- aside
- ask
- asleep
- aspect
- asphalt
- aspiration
- aspire
- assault
- assemblage
- assemble
- assembly
- assert
- assess
- assessment
- asset
- assign
- assist
- assistance
- assistant
- associate
- association
- assort
- assortment
- assume
- assumption
- assure
- asteroid
- asthenosphere
- astonish
- astound
- astrological
- astronaut
- astronomer
- astronomical
- astronomy
- astute
- asymmetrical
- atheist
- Athenian
- Athens
- athlete
- Atlantic
- atlas
- atmosphere
- atmospheric
- atom
- atomic
- atomization
- attach
- attachment
- attack
- attacker
- attain
- attainment
- attempt
- attend
- attendance
- attendant
- attention
- attentive
- attest
- attic
- attire
- attitude
- attract
- attraction
- attractively
- attractiveness
- attributable
- attribute
- auction
- audience
- audio
- auditorium
- auditory
- auger
- August
- aural
- aurora
- austere
- Australia
- Australian
- Austrian
- authentic
- authenticity
- authority
- authorization
- authorize
- auto
- autobiographical
- autobiography
- automate
- automatic
- automatically
- automobile
- autonomic
- autonomous
- autonomy
- autumn
- auxiliary
- avail
- availability
- available
- avalanche
- avant
- avenue
- average
- aviation
- aviator
- avid
- avocational
- avoid
- avoidable
- avoidance
- await
- awake
- awaken
- award
- aware
- awareness
- away
- awesome
- awful
- awhile
- awkward
- awkwardly
- ax
- axe