Injective
[计] 内射, 单射
🗣️ 情景例句
I'm tired of working all day.
我厌倦整天工作。
May I take your message?
你需要留言吗？
Banana ice cream with hot chocolate sauce for me, please.
请给我来一份香蕉冰淇淋，浇上热巧克力汁。