various shells
不同的贝壳
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Meteorologists have divided the atmosphere into various shells or layers, laid one atop the other.
气象学家把大气分成不同的层，它们依次相叠。
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It is fun picking up various shells on the beach.
在海滨捡各种贝壳是很有趣的。
Japanese technicians have been sent to Germany, Britain and America to study various ways of handling the shells.
ECONOMIST: Japan and China
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