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 morni