Colostrokinin
初乳激肽
??? 情景例句
He is liked very much because of his courtesy.
他由于彬彬有禮而頗獲好感。
It's about time.
時間差不多了。
the chance of playing a game of football or baseball on Saturday afternoon.
讓他們在星期六下午再踢足球或打壘球