Tr cavity
[电] TR空腔
🧩 词语组成解析
[计] 磁带记录器, 磁道, 磁带驻留, 故障报告
🗣️ 情景例句
and where do they report?
他们去哪儿报到？
Could you do me a favor?
我想请你帮个忙。
I'll call you.
我会打电话给你。