Injective
[计] 内射, 单射
🗣️ 情景例句
Your duties include checking the post and distributing it.
你的职责是检查和发送邮件。
I've never read a more thrilling story.
我没有读过比这更令人战粟的故事。
After speaking for about half an hour he came to a sad part of the family history.
大约谈了半个小时之后，他谈到了家族史中的一件伤心事。