来自拉丁语fluere, 流动，词源同fluent.

1. During fever a large quantity of fluid is lost in perspiration.

发烧时，大量水分会通过排汗而丧失。

2. The fluid can be drawn off with a syringe.

可用注射器将液体汲出。

3. The forehand stroke should be fluid and well balanced.

正手击球应该保证动作流畅和平稳。

4. Atoms within the fluid interact with the minerals that form the grains.

液体中的原子与形成颗粒的矿物质相互作用。

5. The blood vessels may leak fluid, which distorts vision.

血管可能会渗漏，造成视力模糊。