A: When shooting a gun, accuracy is very important.
B: You only need to tell me that once.
accuracy
n. 准确（性），精确（性）
A: If the weatherman’s predictions are accurate, it should rain tomarrow.
B: I hope not. Then we’d have to reschedule our baseball game.
accurate
a. 1.正确无误的；2.准确的，精确的
A: How dare you accuse me of stealing your computer?
B: I’m sorry, but you were the only one who had access to it.
accuse
vt. 指控，控告，指责
A: I’m not really accustomed to the style of the new boss.
B: It’ll take us al some time to get used to the change.
accustomed
a. 1. (to)习惯于…的，适应了的；2. 通常的，惯常的
A: The new testing system rewards students based on achievement
B: Well, what was the old system like?
achievement
n. 1.成就，成绩；2.达到，完成，实现
A: Be careful! This acid can burn through your skin!
B: Maybe I should wear gloves.
acid
n. 酸，酸性物质
a. 1.酸的，酸味的；2.尖刻的，刻薄的
A: I’m so embarrassed that I don’t know what to do.
B: You should just acknowledge your mistake and move on.
acknowledge
vt. 1.承认，承认…的权威（或主张）；2.告知收到，确认；3.对…表示谢忱，报偿
A: Was that your girlfriend?
B: No, we’re not even good friend. She’s really just an acquaitance
acquaintance
n. 1.相识的人，熟人；2.认识，相识，了解
A: What do you think is the best way to acquire knowledge about fishing?
B: Go fishing!
acquire
vt. 1.取得，获得；2.学到
A: The acquisition of wealth should not be the only goal of your life.
B: I know, but I still would have liked to have gotten a raise.
acquisition
n. 1.取得，获得，习得；2.获得物，增添的人（或物）
A: How many acres of land are you hoping to bay?
B: Anywhere between ten and twenty.
acre
n. 英亩
A: If you really like the girl, then you should take action
B: But I get nervous every time I talk to her .
action
n. 1.行动，行动过程；2.已做的事，行为；3.作用；4.情节
out of action 不（再）起作用，不（再）运转
A: What would you say is your favorite activity ?
B: I’d have to say bowling.
acrivity
n. 1.活动，行动；2.活跃，活力
A: Why do you think he is so successful?
B: His acute sense of reason puts him a level above everyone else.
acute
a. 1.严重的，激烈的；2.敏锐的；3.（疾病）急性的；4.尖的，锐的
A: That is the silliest ad I have every seen!
B: Why would anyone want to buy that product?
ad
n. 见advertisement
A: If you want to survive in this business, you’ve got to learn to how to adapt
B: I’m doing the best I can.
adapt
vt. 1.使适应，使适合；2.修改，改编
vi. (to) 适应
A: How are you going to have room for the new baby?
B: We’re going to build an addition onto our house.
addition
n. 1.加，加法；2.增加的人（或物）
in addition 另外，加之
in addition to 除…之外（还）
A: Do you have any additional questions?
B: No, thanks, you’ve answered them all.
additional
a. 添加的，额外的，另外的
A: If we can’t find adequate housing in the city, we’re going to have to move to another state.
B: That would really be a pit.
adequate
a. 1.充足的，足够的；2.适当的，胜任的
A: How was the concert?
B: I don’t know if I can even find the right adjective to describe it!
adjective
n. 形容词
A: I’m sure it’s just a matter of time before you find a job.
B: Maybe I need to adjust my attitude
adjust
vt. 1.校正，校准，调节；2.调节，改变…以适应
vi. （to） 适应
A: I’ve just about had it with the administration !
B: Really? What’s the problem?
administration
n. 1.管理，经营，支配；2.管理部门，行政机关，政府；3.实行，执行
A: I applied to six school, and got four offers of admission .
B: Congratulations!
admission
n. 1.准许进入，准许加入；2.入场费，入场券；3.承认，供认
A: I think maybe we should adopt a child.
B: I’m not sure if we can afford it.
adopt
vt. 1.收养；2.采取，采纳，采用；3.正式通过，批准
A: Sometimes I get tired of being an adult. And want to just play like a child.
B: I think we all feel that way sometimes.
adult
n. 成年人（或动物）
a. 1.成年的，充分长成的；2.成年人的，适宜于成年人的
A: Are you going to sign up for the advanced course, or the beginner one?
B: I think I might sign up for the intermediate course.
advanced
a. 1.超前的，先进的；2.高级的，高等的；3.年迈的，后阶段的
A: Why did your team lose the game?
B: They had a big advantage over us, being so much taller.
advantage
n. 1.优点，有利条件，有利因素；2.利益，好处
take advantage of 利用，占…的便宜
to advantage 有力地，使优点突出地
A: Do you know what an adverb is ?
B: I think I remember from school that it is usually a word that modifies a verb.
adverb
n. 副词
A: If we want our magazine to be successful, we need to find advertisers.
B: But who would want to advertise I a magazine about potatoes?
advertise
vt. 1.为…做广告，宣传；2.（在报刊，电视，广播等中）公告，告布
vi. 登广告，做广告，登公告
A: It’s imperative that we build our brand name.
B: Well, if we want to do that, we’re going to need a killer advertisement.
advertisement
n. 1.广告，公告，启事；2.广告活动，宣传
A: I’ve decided to quit my job.
B: I really don’t think that’s an advisable course of action.
advisable
a. 可取的，适当的，明智的
