y常见用法: (1)表示在……旁,如by the fire 在炉火旁. (2)用于被动语态,表示“被”,如It is planted by Tom . (3)到……为止,在……以前,如We can get the books by Monday . (4)依照,依据,如By your theory ,……,按你的理论,…… (5)表示方法,手段,by sea乘船,by bus (6)表示把,握的部位,She pulled me by the sleeve .她抓住我的衣袖. 词组: by the way 顺便说一句 by and by 不久以后 by oneself 单独,自行