Instantly the river stopped flowing, and the water formed walls.

河水立即停止了流动，并形成了墙壁。

Within minutes, droplets of liquid water formed, even at minus 100 degrees Fahrenheit.

即便室温只有零下100华摄氏度，几分钟之内，液态水还是形成了。

The water vapor evaporates from the surface of the water, forming a dreamy drifting white mist.

水面源源不断蒸发出的水汽白雾腾腾 经久不散。

Drifting chunks of ice can get caught near them, clogging up the flow of water forming a dam.

漂流的大块冰可以在它们附近阻塞水流形成一个大坝。

In Oman's mountain caves, rain and ground water form pools.

在阿曼的山洞里，雨水和地下水形成水池。

The plants, sunk underneath the waters, formed by degrees into vast accumulated masses.

这些植物沉入水下， 逐渐形成巨大的堆积体。

In the east African savanna, pools of water form during the rainy season only to dry up a few months later.

在非洲热带稀树草原东部，雨季形成的水池仅在几个月后就会干涸。

These are caused by reflection of light from the two sides of the thin film of water forming the bubble.

这些是由形成气泡的水薄膜两侧的光反射引起的。

Most likely, some of this water formed when the Earth itself formed, and some may have come from comet and asteroid impacts billions of years ago.

这些水很可能是在地球形成时形成的，也有可能是几十亿年前彗星和小行星撞击形成的。

Ground water evaporates and collects on the sheet until small drops of water form, run down the material and fall off into the cup.

地下水蒸发并聚集在薄片上， 直到形成小水滴， 顺着材料流下并落入杯中。

Also, in surface water, there is a weak acid, carbonic acid, not sulfuric acid but carbonic acid that helps dissolve the rock. With a little help from this carbonic acid, moving water forms most of the world’s limestone caves.

另外，在地表水中，有一种弱酸，碳酸，有助于溶解岩石的不是硫酸而是碳酸。在这种碳酸的帮助下，流动的水形成了世界上大部分的石灰岩洞穴。