Pre-tr tube
[电] 预-TR管
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
[计] 磁带记录器, 磁道, 磁带驻留, 故障报告
🗣️ 情景例句
No, I haven't. Would you show me where that is?
不，没去过。你可以告诉我去哪里吗？
But We tried very hard to adapt ourselves to the new environment.
但是我们尽量去适应新的环境。
Was there a message?
留话了吗？