Prechlorination
预加氯
🗣️ 情景例句
They'd never dare to publish this information, there would be a panic riot.
他们不敢报道这条消息，因为这条消息会引起恐慌。
His necktie is behind the book case.
他的领带在书架后面。
They covered 120 miles in a single night.
他们仅一夜就走了120英里路。