Water(cooled)jacket
[化] 水套
??? 情景例句
If there's anything you need, just knock on my door.
有什么需要幫忙的話，盡管敲門來找我。
Obedience is the first duty of a soldier.
服從是軍人的第一職責。
Get off my back.
少跟我羅嗦。