Trc
abbr. 顶部红色砾岩；牵引力控制系统；温度记录控制器（Temperature Recording Controller）
🗣️ 情景例句
They do.
是的。
I was impressed very much.
我有深刻的印象。
But of course, he can learn by himself. He has a book and a dictionary.
但当然，他也可以自学。他有书和词典。