Light-operated switch
[电] 光控开关
🧩 词语组成解析
light
[laɪt]
n. 光;发光体;电灯;点火器;
adj. 轻的;明亮的;浅色的;少量的;
v. 点燃;照亮;用光指引;
adv. 轻地，轻装地;
a. 操作的
switch
[swɪtʃ]
n. 开关;转换，转换器;软鞭子;[信]接线台;
vt.& vi. 转变，改变;转换;关闭电流;鞭打;
vt. 转换;挥动（棍棒、鞭子等）;迅速转动;鞭打;
vi. 交换;调换;
🗣️ 情景例句
But now ...
但是现在……
How long does it take for a letter to get to California ?
一封信到加利福尼亚要花多长时间？
Nigel is a very lucky man.But his wife isn't very lucky.She usually stays at home!
奈杰尔是个很幸运的人。但他的妻子运气不很好。他总是呆在家里！