Pronation
n. 手掌向下\\n[醫] 旋前, 伏臥, 俯臥
??? 情景例句
By arranging with the public schools
首先， 從公立學校開始
Do not swap horses when crossing a stream.
處在危難中，不宜大更動。
It's too hard. Oh, dear! Is it broken?
太難了，天那！風箏被弄壞了！