Tr switch
[电] TR开关
🧩 词语组成解析
[计] 磁带记录器, 磁道, 磁带驻留, 故障报告
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
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
What we are ignorant of is immense.
我们不知道的东西多得不可胜数。
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。