洪水在肯塔基州的某些区开始退了。

Floodwaters began receding in some areas of Kentucky.

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夏威夷部分海域的浪高达到7英尺，损毁了码头和游艇停靠区，并在某些区域引发了洪水。

Waves in parts of Hawaii reached seven feet above normal, damaging piers and marinas and causing some flooding.

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为了提高易用性，它会发出柔和的白光，可以让用户在进行某些操作时定位手势区。

In another nice nod to usability, the button itself illuminates with a soft white light, as does the areas adjacent to it in the "gesture" area when certain actions are performed.

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Because of that they're barriers, they separate the inside of the cell from the outside of a cell, and only certain kinds of molecules can pass through a cell membrane.

因为它们的屏障作用,将细胞内外区隔开来,只有特定的,某些分子才能穿过细胞膜

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