casing
n. 框; 殼; 罩; 套
A casing is a substance or object that covers something and protects it.
...the outer casings of missiles.
導彈的外殼
1. the housing or outer covering of something;
2. the outermost covering of a pneumatic tire
3. the enclosing frame around a door or window opening;
The vacuum flask has a strong casing, which won't crack or chip.
這種熱水瓶瓶身堅固,不易斷裂破碎。
This wire has a plastic casing.
這種電線外包塑膠.
There is a window fitting in a casing.
有一扇裝在框內的窗.
The casing was driven into the soft muds in the top.
套管被送入軟巖粉頂.
Creeping to the window, he peeped cautiously between casing and blanket.
他躡手躡腳走到視窗, 小心翼翼地從窗框和氈子之間向外張望.