n. 液体；流体（fluid的复数形式）

n a substance that is fluid at room temperature and pressure
n continuous amorphous matter that tends to flow and to conform to the outline of its container: a liquid or a gas

fluids的用法和样例：

例句

用作名词(n.)

All liquids and gases are fluids.所有液体与气体都是流体。
Phase Behavior of Binary Fluids.二元液体的相行为。

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