Contractility
n. 收缩性, 缩小性, 伸缩力\\n[医] 收缩性, 收缩力
🗣️ 情景例句
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
Have you had breakfast already?
你已经吃了早餐吗？
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，