We got into a bunker, and a shell fell inside the bunker where we were taking shelter.

我们逃到一个掩蔽壕里。一颗炮弹掉到我们躲避的沙坑里。

youdao

Something, such as a burrow or shell, that serves as a shelter or habitation for a wild animal.

洞穴，壳：野生动物当作栖身之所的东西，例如洞穴或壳。

youdao

Something, such as a burrow or shell, that serves as a shelter or habitation for a wild animal.

野生动物当作栖身之所的东西，例如洞穴或壳。

youdao

These are crustaceans that survive by dragging around a cast-off mollusc shell for protection and shelter.

ECONOMIST: Nomads at last

The rule is designed, appropriately, to prevent corporations from acquiring money-losing shell companies in order to shelter profits on financial statements.

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