Rising above a surrounding medium, especially a fluid.

升起的，浮起的从周围的介质中升起，尤指液体。

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Time management, especially for the more fluid work arrangements of many freelancers, doesn't have to be a rigid or time-consuming process.

时间管理，尤其是那些自由工作者的工作流程安排，没必要成为一个既严格又耗时的过程。

youdao

People with acute bronchitis, especially those who have a fever, should drink plenty of fluid.

急性支气管炎患者，特别有发烧时，需要大量饮水。

youdao

When Bradford demonstrated HireVue for me on his iPhone, it seemed so simple and fluid, I had a strong sense that this would catch on, especially at big companies that do a lot of hiring and for those who are screening far-flung candidates for executive positions.

FORBES: The Innovation That Could Make Most Job Interviews Obsolete