W 1

英语字母表的第23个字母（亦作 w）

W 2

西，西方；西方的 (west, western)

〈电〉瓦 (watt)

W 3

〈化〉钨 (tungsten)

W

字母W

W

1. a heavy gray-white metallic element; the pure form is used mainly in electrical applications; it is found in several ores including wolframite and scheelite

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2. the cardinal compass point that is a 270 degrees

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3. a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm

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4. the 23rd letter of the Roman alphabet

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