as和while的區(qū)別 例句及用法是什么

as和while的區(qū)別：as既可表示一個(gè)具體的時(shí)間點(diǎn)，也可以表示一段時(shí)間，while只能表示一段時(shí)間，不能表示具體的時(shí)間點(diǎn)。as的意思是“正當(dāng)....時(shí)候”,它既可表示-一個(gè)具體的時(shí)間點(diǎn)，也可以是一段時(shí)間。while 的意思是“在....同時(shí)”“在...期間",從while的本身詞義來(lái)看。

as和while的區(qū)別

1. As是一個(gè)連詞，用于表示兩個(gè)行為或事件在同一時(shí)間發(fā)生或者同時(shí)進(jìn)行。而while也是一個(gè)連詞，但是表示兩個(gè)事件的持續(xù)時(shí)間相互重疊。

例句：

- As she was cooking dinner, she listened to music.

當(dāng)她煮晚餐的時(shí)候，她聽(tīng)著音樂(lè)。

- While she was cooking dinner, the kids were doing their homework.

當(dāng)她煮晚餐的時(shí)候，孩子們?cè)谧黾彝プ鳂I(yè)。

2. As用于表示原因，表示一個(gè)事件是另一個(gè)事件發(fā)生的原因。而while通常表示對(duì)比或?yàn)榱送怀霾煌氖录?/p>

例句：

- As it was raining outside, I decided to stay indoors.

因?yàn)橥饷嫦掠?，我決定待在室內(nèi)。

as和while的例句

1、as做介詞，意思是“作為”

eg.French is known as the most beautiful language in the world.法語(yǔ)以世界上最美麗的語(yǔ)言著稱。

2、as做連詞，引導(dǎo)時(shí)間狀語(yǔ)從句，意思是“當(dāng)……的時(shí)候”

eg.My mother was cooking fish as I arrived home.當(dāng)我到家的時(shí)候，我媽媽正在做魚(yú)。

3、as做連詞，引導(dǎo)原因狀語(yǔ)從句，意思是“因?yàn)椤?/p>

eg.As rain has fallen, the air is cooler. 因?yàn)橄逻^(guò)雨，所以空氣比較涼爽。

4、as做連詞，引導(dǎo)讓步狀語(yǔ)從句，意思是“雖然”

eg.Young as he is, he has been one of the most famous painters in our country. 雖然他還很年輕，但已經(jīng)成為我們國(guó)家最有名的畫(huà)家之一。

5、as做連詞，引導(dǎo)方式狀語(yǔ)從句，意思是“以……方式”

eg.Do as the Romans do when in Rome. 入鄉(xiāng)隨俗

6、Play while you play, and work hard while you work.

7、Work while you work, and rest while you rest.

8、Learn while you play and play while you learn.

9、Men learn while they teach.

10、Strike while the iron's hot.