Twt
[电] 行波管
🗣️ 情景例句
Even if you ask me a thousand times, my answer will still be no.
就算你问我一千遍，我还是会说“不”。
That work will take three hours.
完成那项工作需要三小时。
'It's a waste of time.
“这是浪费时间。