单词in--mothballs
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。
These will replace China"s one "Xia-class" ballistic missile submarine, which experts say is in mothballs.
这些将会替代中国一种“夏级”弹道导弹潜艇，专家称是进入封存中。
He keep his car in mothballs during the winter.
在冬天，他把汽车搁置不用。