I tilt my head back and let the waterstream down my face until I can't tell anymore where the water ends and my tears begin.
我向后仰起头，让水流滑下我的脸颊，直到我分不出哪些是热水，哪些是泪水。
2
A river is a flowing, moving stream of water.
河流是流动的水流。
3
They also proved that, in principle, the overshot wheel, a type of wheel in which an overhead stream of water powers the wheel, should win the efficiency competition.