density current的用法和樣例：
例句
- The moving current is white and opaque due to the use of a bentonite solution.
由于采用膨潤土溶液，流動(dòng)的異重流為白色不透明的。 - Density currents generated by saline and fresh water interactions are also important in the transport of sediment in estuaries.
由鹽水和淡水相互作用所產(chǎn)生的異重流，在河口泥沙輸移中也是很重要的。
