Derivativeness
可微商性, 可微商情况
🗣️ 情景例句
Hi. This is Robbie Stewart.
你好。我是Robbie Stewart。
My brother came in,changed his clothes,and went out again.
我的兄弟进来了，换掉了他的衣服，并再去外面了。
Mom, can't Lily do it? It's her turn!
妈妈，莉莉就不能做吗？轮到她了！