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
What was your speciality?
你学的是什么专业？
If you want knowledge,you must toil for it.
若要求知识，须从勤苦得。
Just a minute. I'll see if I'm free. No, I'm not. I've already got something on that evening.
等一会。我看看是否有空。不，我没空。我那天晚上已经有了安排。