Surjective
a. [数]满射的
🗣️ 情景例句
He's going to be fine.
他不会有事了。
He is in conference.
他正在开会。
Goodness! Zhen Jie! I can't believe it. What are you doing here?
啊，天那！郑杰！我简直不能相信。你到这里来有什么事吗？