Injectivity
内射性
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
I don't think he'll remember a thing tomorrow morning.
我认为，到明天清晨，他会忘得一干二净。
It's rude to stare at other people.
盯着别人看是不礼貌的。