Fluxionist
善于运用微分法的人
🗣️ 情景例句
Do you live on or off campus?
你住在校内还是校外？
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。
She felt worried. She wanted to get ready for her party.
她有点儿着急。她要为自己的聚会作好准备。