Derivativeness
可微商性, 可微商情况
🗣️ 情景例句
He was our go-between.
他是我们的媒人。
She felt very awkward about the unpleasant situation.
她因不愉快的场面而感到十分困窘。
Of course, Father Christmas isn't real.
当然，圣诞老人并不是真的。