Retractility
n. 伸缩性\\n[医] 退缩性, 缩回性
🗣️ 情景例句
And how old are you?
你几岁了？
What do you do for relaxation?
你做什么消遣？
Oh! Well, for that, you'd better find an English pen friend.
哦！那你最好为此找一个英文的笔友。