unit of electrical power, 1882, in honor of James Watt (1736-1819), Scottish engineer and inventor. The surname is from an old pet form of Walter and also is in Watson.
权威例句
1. A 40 watt bulb would be quite sufficient and would not obtrude.
40瓦的灯泡完全够亮了,并且不会晃眼。
2. a 25 watt amplifier
一台25瓦扩音器
3. a 60-watt light bulb
60瓦的电灯泡
4. With an 18-watt fluorescent bulb you get as much light but use 75% less electricity.
用18瓦的荧光灯灯泡有同样的亮度,而用电量却减少75%。
5. State of California v. Watt, 712 F .2 d 584 ( D . C . Cir. 1983 ).