Invertibility
[计] 可逆性
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
Close your book,please.
请把书合上。
I have more than you. Do I have fewer apples than you? Let me see!says Jim.
“我的苹果比你的多。”“我的苹果比你的少吗？让我看看！”吉姆说。