1.abandon 抛弃，放弃，遗弃 v.

同义	反义
desert	conserve
forsake	preserve
leave	reserve
give up	maintain

词组：leave alone(不理会)

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2.abnormal 不正常的，变态的 adj.

abnormality (n.)

同义	反义
bizarre	normal
odd	——
queer	——
strange	——
weird	——
strange	——
unnatural	——

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3.abolish 废止 v.

abolishment (n.)

同义	反义
cancel	establish
delete	build
erase	set up
remove	——
repeal	——

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4.abstract 抽象的 adj./摘要，梗概 n./提取，抽取v.

abstractly (adv.) abstraction (n.)

同义	反义
extract	concrete
impractical	substabtial
summary	solid
unrealistic	——

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5.abundance 充足，富裕，丰富，大量，多 n.

abundant (adj.) abundantly(adv.)

同义	反义
enough	deficiency
full	lack
spacious	scanty
——	shortage

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6.accelerate 使加速，促使，使增速，加快 v.

acceleration (n.) accelerator (n.)

同义	反义
hasten	decelerate
precipitate	retard
quicken	slow down
speed up	——

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7.accumulate 积累 v.

同义	反义
amass	dissipate
assemble	spend
collect	waste
gather	——
increase	——
store up	——

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8.adequate 足够的，恰当的，胜任的，差强人意的 adj.

adequately (adv.) adequacy (n.)

同义	反义
sufficient	insufficient
enough	dificient
plenty	inadequate
satisfactory	——

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9.affirm 断言，断定 v.

affirmative (adj.)

同义	反义
allege	deny
assert	renounce
declare	——
state	——

词组：assert oneself (坚持自己的权利)
deny oneself (克制，自制)

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10.afford 有足够的时间金钱做某事，负担得起，提供 v.

affordable (adj.)

同义	反义
furnish	——
give	——
provide	——
stock	——
supply	——

词组：provided (that) (以.....为条件)

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11.amend 改善，改良，修正 v.

amendment (n.) amends(n.)

同义	反义
better	worse
correct	——
improve	——
revise	——

词组：better oneself (自求上进，赚更多的钱)
inadvance (事先)

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12.amplify 扩大，详述，增加 v.

amplification (n.) amplifier (n.)

同义	反义
augment	abridge
broader	shrink
intensify	draw back
strengthen	——

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13.artificial 人造的，人工的，非真实的，非天然的 adj.

artificially (adv.) artificiality (n.)

同义	反义
counterfeit	genuine
fake	natural
false	true
synthetic	——

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14.attach 加上，连上，附上，依恋，喜欢，加入，参加 v.

同义	反义
add	detach
affix	depart
conncet	divide
fasten	——
unit	——
put together	——

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15.attempt （通常与to连用）企图，尝试 v./努力，尝试，未做成功之事 n.

attempted (adj.)

同义	反义
experiment	——
quiz	——
test	——
try	——

词组：an attempt on/upon (攻击)
make an attempt on sb's life (企图夺取某人的性命)
attempt the life of (意图谋害...的性命)
try on (试穿)

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16.average 平均数，平均，平均水准，平均标准 n./平均为，达到平均水准 v./平均的，普通的，一般标准的 adj.

同义	反义
common	special
general	——
medium	——
middle	——
ordinary	——
usual	——

词组：in the middle of (在......的中途/当中/中央，正忙于)
on (an) average (通常，按平均)

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17.award 颁奖，授奖，裁定，判决，裁决 v./奖，奖品，裁定，判决，奖学金 n.

awardee (n.)

同义	反义
gife	castigate
medal	fine
prize	penalize
reward	purnish

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18.beam 微笑，开怀，眉开眼笑 v.

beaming (adj.)

同义	反义
chuckle	grieve
giggle	lament
grin	reserve
smile	——

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19.beneath 在.......之下，紧靠.......底下 prep.

同义	反义
below	above
down	on
under	over
underneath	up
——	upward

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20.bind 使联系紧密，捆绑 v.

binding (adj. n.) binder (n.)

同义	反义
attach	loosen
fasten	unfasten
tie	undo
wrap	——

词组：bind oneself to (答应，允诺)