Proctodone
后腸激素
??? 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一種樂趣，除非一天其中一根火柴不幸燃燒起來。
He always called me as my friend.
他總是以“我的朋友”稱呼我。
Yes.He must remain in bed for another two days.
是的，他還必須臥床兩天。