by的用法小结： 1、介词 prep. 在…旁；靠近 · Our teacher was sitting by the window. 我们的老师正坐在窗户旁边。

· Stand by me! 站到我的身旁来！ · We spent our holiday by the sea. 我们在海边度假。

2、 介词 prep. 经过 · He walked by me without speaking. 他走过我的身旁，没有说话。

· My brother goes by the building every day. 我弟弟每天从这楼旁走过。

3、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。

4、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？

5、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 6、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。

扩展资料：by　英 [baɪ]，美 [baɪ] 　 　prep. 靠近；通过；被；经由；不迟于adv. 经过；在旁边；

靠近例句：The house by the lake is a restaurant.翻译：湖边的那座房子是家饭店。

短语：1、by air 坐飞机2、by all accounts 据说；根据报道3、by all appearances 显然；

外表上4、by all manner of means 用一切手段；好的；当然5、by all means 用一切手段；

好的；当然