Discrete function
[计] 离散函数
🧩 词语组成解析
🗣️ 情景例句
The musicians. The dancers--in the parks and on the streets.
音乐家啦 ，在公园或街头跳舞的人啦。
In the world, who knows not to swim goes to the bottom.
处世似游泳，不会即下沉。
Who won the girls' 400 metres?
女子400米赛跑谁获胜？