Opisthognathism
頜后縮
??? 情景例句
Did she say why she had to leave today?
她說了她為什么今天非走不可嗎？
I'm sleeping upstairs.
我在樓上睡覺。
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年還要派狗到雪山地里去幫助那些遇到困難的旅游者，