Tetramethide
四甲基金属
🗣️ 情景例句
When can I do that? I'd be happy to.
我什么时候可以去看 我很乐意做这项工作。
Don't mention it. I hope you can come again soon.
不用谢，希望你不久能再来。
I was being tested for a driving licence for the third time.
我第3次接受驾驶执照考试。