Iepa
[化] 独立电子对近似
🗣️ 情景例句
He accepted an offer of help.
他接受了援助的建议。
When did you get off work?
你什么时候下班？
India-born N.Damodar Reddy's tiny California company reopened an AT
T chip plant in Kansas City last spring with financing from the state of Missouri.