1·The water level of the Mississippi River is already 6.5 feet below normal.
密西西比河的水位已经比正常水位低6.5英尺。
—— 《柯林斯英汉双解大词典》
2·When they dropped a stone into a wide tube, the water level raised in a connected narrow tube.
当他们把一块石头扔进一个粗试管时，相连的一个细试管里的水位上升了。
3·The falling water level denoted the passing hour as it dipped below hour lines inscribed on the inner surface.
当下降的水位低于内表面刻下的小时线，表示经过了多少时间。
4·For example, a pond in hilly country that maintains a steady water level all through a dry summer in spite of having no streams flowing into it must obviously be seepage dominated.
例如，在丘陵地区的一个池塘，尽管没有小溪流入但在整个干燥的夏季保持稳定的水位，显然一定是以渗流为主。
5·Then you have a low steam generator water level which means that you probably have a leak somewhere and the question is, is it on the primary side or on the secondary side?
然后你们会得到低的蒸汽发生器的水位，那表示可能在某个地方出现了泄漏，而问题就是，那是在主面还是在次级面？