Backventing
背部通气
🗣️ 情景例句
If enough people show interest, I'll run the show.
假如有足够多的人们感兴趣，我就开始表演了。
He that would the daughter win, must with the mother first begin.
欲得女儿欢，先遂其母意。
Look at this letter from Wang Wei to her penfriend in Australia.
请看这封王伟写给她在澳大利亚的笔友的信。