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
I'm glad to help.
我很乐意帮忙。
I invited him last Thursday.
我上个星期四邀请他。
I think the shop is closed at this time of day.
我想商店在这个时间已经关门了。