He keep his car in mothballs during the winter.

在冬天，他把汽车搁置不用。

youdao

In so doing, the two airlines put in mothballs two legacy system they have used for the last four decades.

这意味着，两家航空公司放弃了他们沿用了四十年的旧系统。

youdao

But manned space flight in America is now in mothballs, and in these dispirited times even the pride visitors take in the dam is mingled with wistfulness.

但是如今，美国的载人航天飞行计划陷入停滞；一个沮丧的时代，即便是胡佛水坝游客的自豪之情，也掺入了几分忧伤。

youdao

But for now the project is in mothballs.

FORBES: Fact and Comment

Keeping mothballs in your tool chest will help to prevent rust.

FORBES: Christmas Dinner Conversation Starters

He accepted the argument that in an international crisis, having to bring one of these deadly subs out of mothballs could in itself be a fateful act of escalation.

ECONOMIST: A truce has been reached in the battle over defence cuts