Backventing
背部通气
🗣️ 情景例句
Nice girl.
好女孩。
The devil scares me.
我害怕魔鬼。
He informed the station at once, but no one there was able to explain the mystery.
他马上把情况报告了该基地，但那里的人没有一个能解释这到底是怎么回事。