Pentachlorinated
五氯化的
🗣️ 情景例句
How long do you intend to stay there?
你打算在那停留多久？
I ought to see the manager.
我应该见经理。
This combines a typewriter keyboard, a printer and a computer.
这种机器把打字机键盘、打印机和电脑连接起来。