Surjection
[数]满射
🗣️ 情景例句
And then branched out into other sports products.
然后逐渐扩展出其他的运动产品。
He alone is happy who commands his passions.
只有控制感情的人，才会幸福。
What kind of music does he sing?
他演唱哪种音乐？