shell

过去式：

动词过去式: shelled

更多词形：

名词: sheller | 动词过去式: shelled | 动词过去分词: shelled | 动词现在分词: shelling | 动词第三人称单数: shells |

单词例句：

A lid or flap covering an aperture, such as the gill cover in some fishes or the horny shell cover in snails or other mollusks.

鳃盖覆盖在一孔或缝隙上的盖，如一些鱼类的鳃或覆盖在蛇或其它软体动物身上的角质壳

The sailors placed the shell in the ship's gun.

水兵们把炮弹填进船上的大炮里。

A fold or ridge, as of skin, membrane, or shell.

皱襞如皮肤、膜或壳的褶或隆起物

The armadillo has a protective shell of bony plates.

犰狳有角质鳞片的护甲。

A clear plastic bubble or shell covering part of an aircraft.

镶有玻璃的座舱飞机上由透明的玻璃构成的透明圆罩或壳状物

A snail's shell is spiral in form.

蜗牛壳是螺旋形的。

Having a shell consisting of two hinged valves.

双瓣壳的有由两个开合的瓣组成贝壳的

Only the shell of the factory was left after the fire had been put out.

大火扑灭之後，工厂只剩下个空架子了。

This kind of beetles have hard shell.

这类甲虫有坚硬的外壳。