“be rusty”簡單造句，be rusty造句子

1、I thought he'd be rusty. But two weeks working with him, I'm impressed. The big fella can move.

3、At the end of the pump valves, cast iron pipe and other items to be rusty rust, and then coated with butter, dry place on the preservation, re-use for winter and spring.

2、I expect my mental skills to be rusty, but I'm not prepared for the results of my first math practice test.