Coelothelium
[医] 体腔上皮, 间皮
🗣️ 情景例句
Go for it.
去试试吧。
Yes, and you may stay there longer.
对，而且你也许会在那儿住久一些。
To escape from the Earth in a rocket, one must travel at seven miles per second.
要乘坐一枚火箭飞离地球，火箭的速度要达到每秒7英里，