1.
Of or relating to a crust, especially that of the earth or the moon.
外壳的外壳的或与之有关的，尤指地球或月球外壳的
2.
Hard eggs, squishy eggs, leathery eggs,
硬壳卵、扁卵、皮革般外壳的卵、
3.
magnetic feedthrough
通过外壳的磁场传动
4.
light in a transparent protective case.
有透明保护外壳的灯。
5.
Having, resembling, or being a crust.
硬皮的，外壳的有、象或成为硬皮或外壳的
6.
Having, resembling, or constituting a hard crust or shell.
硬皮的，外壳的有、象或构成硬皮或外壳的
7.
The outer metal shell or case of a bullet.
弹壳子弹的金属外壳或金属外层
8.
The protein shell that surrounds a virus particle.
壳体，衣壳包裹着一个病毒粒子的蛋白质外壳
9.
The thin, brittle, exterior covering of the egg of a bird or reptile.
卵壳鸟或爬虫的薄而易碎的卵外壳
10.
To remove the hulls of(fruit or seeds).
去掉果皮，去壳剥开（水果或种子的）外壳
11.
The casing for the mechanism of a watch.
表壳手表机械装置的外壳
12.
The shell enclosing the meat of a nut.
坚果外壳包围果果肉的硬壳
13.
The supporting case is the outer enclosure of the gyro component.
支承壳体是陀螺组件的外壳。
14.
The outside of the car is blue.
汽车的外壳是蓝色的。
15.
The earth's crust is layered .
地球的外壳是分层的。
16.
case for motor vehicle clocks
机动车辆用钟的外壳
17.
axially-split casing
有轴向接合缝的外壳
18.
This kind of beetles have hard shell.
这类甲虫有坚硬的外壳。