Aerationzone
掺气层; 掺气区
🗣️ 情景例句
I'm ten.
十岁。
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
What is called 'modern civilization' is not the result of a balanced development of all man's nature.
所谓“现代文明”并不是人的天性平衡发展的结果，