Hydrofluoric
a. 氢氟酸的
🗣️ 情景例句
Oh, yes, yes, Mr. Maxwell.
噢， 是的， 是的， Maxwell先生。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
You've ruined everything.
全都让你搞砸了。