★ladder：梯子

例句：He gave his elbow a wrench when he fell off the ladder.

他从梯子上摔下时扭伤了手肘。

★tool：工具

例句：Take up any slack in the tape with a pencil or similar tool before use.

用卡带以前若有松弛状态，请用铅笔之类的工具旋紧。

★trash can：垃圾桶

★workbench：工作台

★car：汽车，轿车

例句：Years ago people had to crank the engine of a car to start it.

多年以前人们必须转动曲柄发动汽车引擎。