Reactivities
n. 反应；反动
🗣️ 情景例句
Too easy for you?
对 ，太容易了
Will you bring the laundry in if it rains?
下雨时请你收一下衣服，好吗？
Not all sounds made by animals serve as language.
动物发出的声音不都是用作语言交际。