Tetrachloro
四氯
🗣️ 情景例句
You hold on to them so there won't be a problem later.
你来保管， 免得等一下又出问题了。
The money the miser hoards will do him no good.
守财奴积的财富，对他自己没好处。
The doctor looked over Mrs Brown very carefully.
医生非常仔细地给布朗夫人作了检查。