Injective function
[计] 内射函数, 单射函数, 注入函数
🧩 词语组成解析
[计] 内射, 单射
🗣️ 情景例句
She was still beautiful at the age of forty.
她活到四十岁仍然很美。
March comes in like a lion and goes out like a lamb.
三月来如雄狮，去如绵羊。
No, I didn't. I didn't have his telephone number.
不，没有。我没有他的电话号码。