Polya
[化] 聚腺苷酸
🗣️ 情景例句
Do you have any brothers or sisters?
你有兄弟姐妹吗？
Can David foresee the end of the job work?
戴维能预知承揽工作的结果吗？
Ducks know how to swim when they are born.
鸭子天生会游泳