Intraepithelial
a. 上皮内的
🗣️ 情景例句
It's John. Didn't you recognize my voice?
我是约翰。你没听出我的声音？
What? Already? Won't you have more coffee?
怎么，已经要走了？要不要再喝点咖啡？
because balloons can be a great danger to aircraft.
因为气球有可能给飞机造成极大的危险。