Precontamination
初期污染
🗣️ 情景例句
It could be most anything, knowing Pete.
任何事情都可能， 你是知道Pete的。
He that would the daughter win, must with the mother first begin.
欲得女儿欢，先遂其母意。
Fine. What's the weather like in Beijing?
很好。北京的天气怎样？