Reciprocalness
n. reciprocal的变形
🗣️ 情景例句
Are we ready to go?
我们可以开始了吗？
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
There is some difference between the twins.
这对双胞胎有点儿不一样。