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
Do you get the message?
明白我的意思没有？
What do you do for relaxation?
你做什么消遣？
and the profits from the exhibition were used to build museums and colleges.
博览会的赢利用来建造博物馆和高等学校。