Polychloride
多氯化物
🗣️ 情景例句
or Mom is at a committee meeting.
就是妈妈参加小组会议。
Edward had heard of the famous singer from Europe.
爱德华曾听说过欧洲出身的著名歌星的事。
The village no longer existed because it had been submerged, and all the valley too.
村庄已不复存在，因为已经为水所淹，山谷也被水淹没了。