fluid

液體、流體常用複數

The doctor told her to drink plenty of fluids and rest.

醫生要她多喝液體並好好休息。

體液、分泌液醫學

They tested a sample of the fluid from his knee.

他們檢驗了從他膝蓋抽出的體液樣本。

易變的、不固定的

The situation at the border remains fluid and hard to predict.

邊界的情勢仍在變動，難以預測。

流暢的、優美的

The dancer's movements were fluid and effortless.

那位舞者的動作流暢又毫不費力。

流動的、液態的

Heat the mixture until it becomes fluid enough to pour.

把混合物加熱到能夠傾倒的流動狀態。