Definite integral
[计] 定积分
🧩 词语组成解析
🗣️ 情景例句
She's come up with a new idea for increasing sales.
她想出了增加销售量的主意。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
Open the window and air the room.
打开窗子，给房间通通风。