Unfired tube
[电] 无火管
🧩 词语组成解析
[化] 不直接接触火的
🗣️ 情景例句
It won't sound like a big deal,
这事听起来没啥严重，
I learned Japanese yesterday.
我昨天学日文。
Will you come through to the back, please?
请跟我到后面去。……你何不试试这套呢？