till at length, in the water itself, they are converted into banks, like those formed off the mouths of rivers, and the forms of vegetation are lost in the ripple marks on the bottom.
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It turned out that the swarms were coming down at sea - on any ships they could find, but also in the water itself.
后来发现,蝗群落在海上—落在它们可以发现的任何船舶上,但它们也落在水中。
Paradoxically, while the temperatures required for liquid water exist only in the inner solar system, the key building blocks of life, including water itself, occur primarily beyond the asteroid belt.
矛盾的是,虽然液态水所需的温度只存在于太阳系内部,但生命的关键组成部分,包括水本身,却主要存在于小行星带之外。
If the air in your room is too dry, a smart sprinkler could water your plants by itself when you are not at home.
如果房间里的空气太干燥,智能洒水器可以在你不在家的时候自动给植物浇水。
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