例句：The postman tried to crush the packet through the letter-box.
郵遞員使勁把郵件塞進(jìn)信箱里。
bracket n. 括弧，支架 v. 括在一起
例句：The worker fixed a bracket on the wall.
工人在墻上固定了一個(gè)支架。
bucket n. 桶，一桶的量
例句：Is there much water in the bucket?
桶里有很多水嗎?
racket n. 球拍，喧鬧紛亂
例句：The ball just tipped the edge of Mark's racket.
球僅僅碰到馬克球拍的邊兒。
rack n. 架，行李架 vt. 折磨，加以拷問(wèn)
例句：Sam put his bag on the luggage rack.
薩姆把包放在行李架上。
