by在句子中的用法总结

　　介词 prep. 用；靠；通过

　　using (showing who or what did something)

　　I know it by heart.

　　我把它记在心头。

　　They can read by touch.

　　他们可以通过手摸来阅读。

　　By getting up early, I can have an hour for reading English in the morning.

　　靠起得早，我每天早晨有一小时时间阅读英语。

　　介词 prep. 不迟于

　　not later than

　　I shall be back by 5 o'clock.

　　最迟五点我一定回来。

　　How many English parties had you had by the end of last term?

　　到上学期末，你们举行了几次英语晚会？

　　介词 prep. 通过；沿着

　　through; along; over

　　We came through the fields, not by the road.

　　我们是穿过田野而不是沿那条路来的。

　　to send a letter by post

　　通过邮局寄信

　　介词 prep. （表示作者）被；由

　　word that shows the author, painter, etc.

　　Thirty divided by two is fifteen.

　　三十除以二得十五。

　　The child was saved by a PLA man.

　　这孩子是由一位解放军战士救活的。

　　This bridge was built by the soldiers.

　　这座桥是士兵们造的。

　　介词 prep. （指交通等）乘；用

　　word that shows what kind of transport, etc.

　　The man came by bus.

　　那人是坐公共汽车来的。

　　They went to Shanghai by air.

　　他们坐飞机去上海。

　　8、介词 prep. 在…情况下；在…时间

　　during

　　Do you prefer travelling by day or by night?

　　你喜欢在白天还是在夜晚旅行？

　　介词 prep. （表示部分）在…部位

　　word that shows which part

　　She led the child by the hand.

　　她拉着孩子的手往前走。

　　副词 adv. 在旁边

　　near

　　He gave me a story book when nobody was by.

　　当附近无人的时候他把小说给了我。

　　副词 adv. 从旁边经过

　　past

　　He hurried by without a word.

　　他匆匆地走过去没有说一句话。

　　Time has gone by.

　　时间已过去了。

　　She walked by.

　　她走过去了。