His spirit has left him and all that remains is the shell of his body.

他的灵魂已经离开了他，所剩的是他的躯壳。

《柯林斯英汉双解大词典》

Never microwave egg in the shell.

勿将带壳的鸡蛋放入微波炉内加热。

youdao

Some of these coats are hard—like the shell of a nut—for extra protection.

其中一些表皮很坚硬——就像坚果的外壳——可以提供额外的保护。

youdao

The shell dropped and exploded above Fort Sumter, a United States military base on an island in the harbor.

VOA: special.2009.08.13

So, from going from the shell of n equals 2, let's say, to the shell of n equals 3.

比如说，从ｎ等于２到ｎ,等于３壳层如何变化。

麻省理工公开课 - 化学原理课程节选

In other words, just want to know where the electron is somewhere within the shell radius of the ground state of atomic hydrogen anywhere.

换言之，我只是想知道,电子在哪,可以在氢原子基态下的半径,里面的任何地方。

麻省理工公开课 - 固态化学导论课程节选

The shell now traces S-curves through the sky, guided by four pairs of thrusters.

NEWYORKER: The Martian Chroniclers

The shell is flexible and covered in a black leathery skin - hence the name leatherback.

BBC: New law to protect Puerto Rico leatherback turtles

Imagine the shell of your tablet, smartphone or laptop also serving as an essentially invisible speaker.

ENGADGET: 's CES 2013 Preview: Audio