E-c
abbr. ether-chloroform 天空醚—氯仿（混合）
🗣️ 情景例句
We know.
我们知道。
He phoned to cancel the meeting.
他打电话来取消会议。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。