Integrability
[计] 可积性
🗣️ 情景例句
I'm writing a story for the high-school paper.
我正在为高中校刊写一篇东西。
Is this toothpaste on sale today?
这支牙膏今天是削价出售的吗？
When anyone opens a current account at a bank,
任何人在银行开一个活期账户，