词族 · watt
词形变化
中文词源
watt 瓦
来自18世纪苏格兰工程师James Watt,以表达对其的敬意。
英语词源
- watt (n.)
- 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 ).
- 参见“加利福尼亚诉瓦特”[1983年《联邦判例汇编》第2集第712卷第584页 ( 地区法院巡回法庭 ) ].