以字母a开头的单词
A
a [ə; eɪ] (an) art. 一个,某个,任何一个
鼻炎是什么原因引起的There is a book on the desk. 桌子上有一本书。[a用在以元音因素开头的单词之前]
It is good for us to eat an egg every day. 一天一个鸡蛋对我们来说是好的。[an用在以辅音因素开头的单词之前]
ability [ə'bɪlɪtɪ] n. [C] 能力,才干,才能
I have never doubted about her ability. 我对她的才能从未怀疑过。
He is a man of abilities .他是一个有多种才能的人。[a man of abilities一个有多种才能的人]
He has the ability to finish the work.他具有完成这个工作的能力。[have the ability to do sth有做某事的能力]
able ['eɪb(ə)l] adj. 有能力的,能够
I am able to speak some English now. 我现在能说一些英语。[be able to do sth有能力(或办法、机会)做某事]
【易错警示】be able to与can (词汇辨析先从意思上区别,再从用法上区别,要语言简练,解析明了)
be able to | be able to 表示经过努力而具备的能力,可用于各种时态。例如: I haven't been able to sleep recently. 最近我睡不着觉。 I am able to express my idea in a clear way. 我能清楚地表达自己的想法。 |
can | can表示本身有做某事的能力,只有现在式(can)和过去式(could)两种。例如: I can finish the work in three days. 我可以在三天内完成这项工作。 |
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about [ə'baʊt] prep. ①对于,关于;②在……周围;‖adv. 大约,差不多(词义的标注:不同词性中间用‖隔开,同一词性的不同意思用①;②;等)
She and I disagree about it. 关于这一点,我和她意见不同。
There are about 2000 students in our school. 在我们学校有大约2000学生。
We were about to go when it suddenly rained. 我们正要出发,突然天下雨了。[be about to 即将]
Then how about tomorrow? 那么明天如何?[What/How about…? 怎么样;(对于)…怎么样]
加注:【易错警示】about/ on
about | about常用于简单的或浅显的论述等,是一般用语,多用于讲故事,谈话;思考等; The teacher told us a story about Lei Feng.老师给我们讲了关于雷锋的一个故事。 |
on | on表示一本书、文章或演讲是严肃的、学术性的,可供专门研究这一问题的人们参考。He will give us a talk on the history of the Party.他将给我们做个关于党史的报告。 |
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above [ə'bʌv] prep. ①在……上面;②超过,多于;‖adj. 上面的;‖adv. 在上面
The plane flew above the cloud.飞机在云层上面飞行。
Above all, the work must be finished before nine by ourlves. 最重要的是工作必须在九点之前由我们自己独立完成。[above all 最重要的]
【易错警示】above/ over/ on 表示“在……上”
above | above表示“离开某物的上方”,强调高于某一点或某一物体,但不一定在垂直的上方。另外,above还可指温度、数量、年龄等。如:The temperature will stay above zero in the daytime.白天温度将在零度以上。There is a light above the table.桌子上方悬挂着一盏灯。(above不强调正上方) |
over | over表示垂直的上方或正上方,两物体之间有一定距离。也可指覆盖在某物上。如:There is a stone bridge over the river.河上有座石桥。(不能用 above) |
on | on强调某物在另一物体的表面上,两者为接触关系。如: There is a book on the desk.桌子上有本书。 |
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【知识拓展】
反义词:below
abroad [ə'brɔːd] adv. ①在外国;②广泛地
After he finished middle school,he went aboard. 他中学毕业后,到国外去了。[go abroad 出国]
His parents have just come back from abroad. 他的父母刚刚从海外回来,我们去看望他们吧。[from abroad 从国外,从海外]
abnt ['æbs(ə)nt] adj. 缺席的,不在的
Tom is abnt on illness. 汤姆因病缺席。
I was abnt from your lecture last week. 我上周缺席了您的课。( be abnt from缺席)
【知识拓展】
反义词:prent‖同根词:abnce n. 缺席,不在
accept [ə'kpt] v.接受,赞同
I accepted many beautiful birthday prents from good friends yesterday. 昨天我从好友那里收到了很多漂亮的生日礼物。
加注:【易错警示】receive/accept
accept | accept主要指的是概念上的接受,比方说你能接受某种学说或概念的时候就用accept,表示即将接受。例,can you accept this saying?你能接受这种说法吗? |
receive | receive多数指实体上的接受,标示已接收到某物。例,did you receive my mail yesterday?你昨天收到我的邮件了吗? |
| 中华姓氏 |
accident ['æksɪdənt] n. [C] 事故,偶然的事
There was a traffic accident in the street yesterday evening. 昨晚这条街上发生一了次交通事故。[a traffic accident交通事故]
We met together at the park gate by accident yesterday. 昨天我们偶然在公园门口相遇。[by accident意外地,偶然地]
according adj. 根据……而定;‖adv. 根据,取决于
The teacher divided the students into small groups according to their ability. 教师按照能力的高低将学生重新分成若干小组。[according to 根据,按照,后接名词或代词]
You will succeed according as you try again. 只有你再试一试,你将会成功。[according as 依照,根据,后接从句]
ache [eɪk] vi. 疼痛‖n. [C, U]痛,疼痛
Soon his hand began to ache and he went to hospital. 很快,他的手开始疼痛,于是他去了医院。
加注:【易错警示】ache/ pain 于心灵
ache | ache是疼痛的意思,表示局部的持续的疼痛,例如toothache/headache ,作名词是可数名词,复数是aches;特指人身体机能或器官上的病理疼痛. My head is aching. |
pain | pain是不可数名词,长时间、不间断的疼痛;用于比喻义,指心灵的伤痛,也可指付出努力; |
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【知识拓展】
同根词:stomachache胃疼王熙凤人物形象‖toothache牙痛‖headache‖backache
achieve [ə'tʃiːv] v. 实现,达到,完成
How did you achieve your学习教育 goal? 您是怎样达到你的目的的?
【知识拓展】
同根词:achievement n. 成功
across [ə'krɒs] prep.在……对面,穿过,横过
Tell your children not to run across the street. 告诉你的孩子们不要跑着穿过大街。
There is a book shop across from the bank.在银行的对面有一个书店。(across from 在……幼儿好习惯对面)
【易错警示】across 和through
across | 表示“横过,穿过”;着重指从物体表面的一边到另一边(表面)。例如:across the street;横过马路 。 |
through | “穿过,从……中间通过”;着重指从空间的一头穿到另一头(内部)。例如:through the forest. 穿过森林。 |
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act [ækt] n. [C] 行为,行动;‖v. 行动,扮演,假装
We should act at once. 我们应该立即行动。
He acted as an English teacher in that film. 他在那部电影里扮演一位英语老师。[act as 充当,担任]
【知识拓展】
同根词:actor/actress n.男演员/女演员
action 1997香港回归['ækʃ(ə)n] n. [C, U] 行动,行为,活动
We must take action right now, or we’ll be late我们现在就得采取行动了,否则就迟到了。[take action采取行动]
Let’s put the plan into action. 让我们将这个计划付诸行动。[put…性感的屁股into action 使……付诸行动]
active ['æktɪv] adj. 积极的
The students in Class 2 are more active than tho in Class 1. 二班的学生要比一班活跃。
I don’t think everyone should take an active part in the social activities. 我认为并不是所有的人都应该积极参与到社会活动中去。[take an active part in 积极参加]