Boundary function
[计] 分界功能
🧩 词语组成解析
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
Now, seeing them all here together for the first time.
现在他们都到了这里。
Before long, biscuits of all shapes and sizes began arriving at the factory.
不久，形状各异，大小不一的饼干陆续送到工厂。