Transepithelial
[医]经上皮的
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
Drop dead
晕倒
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。