Cchs
[医][=congenital central hypoventilation syndrome]先天性中枢性肺换气不足综合征
🗣️ 情景例句
The only entry requirement is a valid passort.
入境的唯一条件就是持有一本有效的护照。
Pigs may fly,but they are very unlikely birds.
猪儿纵会飞，终究不是鸟。
Do you go to work by bike?
你骑自行车上班吗？