Calculuses
微积分, 微积分学, 计算, 演算, 结石, 积石, 牙垢
🗣️ 情景例句
She finished the race strongly.
她很有毅力地跑完了全程。
He has a headache and needs aspirin.
他头痛，需要阿斯匹林。
'I left the money in my room,' I said, 'and it's not there now.
“我把钱放在房间里，”我说，“可现在没有了。