casing

['keisiŋ]

n.套,罩,匣,盒,[经](石油)套管,包装
动词case的现在分词

例句与用法：

Sam is casing the joint now. He's going to give us a report soon.

萨姆现在正在侦察现场，他很快就会向我们报告情况的。

An oxygen mask will come down from overhead in case of an emergency.

若发生紧急情况，头顶上会降下一只氧气面罩。

A decorative casing for a light, often of paper.

灯笼灯的装饰性外套，经常用纸制成

Such a projectile in a metal casing; a cartridge.

弹药(筒)装在金属盒中的射弹。弹药

详细释义：

n.[C]

1. 框; 壳; 罩; 套

This wire has a plastic casing.

这种电线外包塑料。

There is a window fitting in a casing.

有一扇装在框内的窗。

2. 箱; 盒

3. (轮的)外胎; (香肠的)肠衣; (油井的)套管