Tr tube
[电] TR管
🧩 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
Robbie, there's a phone call for you.
Robbie，有你的电话。
Great men have great faults.
伟人也会铸大错。
So it is a comparatively simple step from locating the sea bottom to locating a shoal of fish.
从测定海深到测定鱼群，这一进展比较容易。