Backventing
背部通气
🗣️ 情景例句
A young female may be addressed as 'young lady'.
一个年轻的女性可以被称作 'young lady'。
Quite so.
的确是这样。
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。