Boundary operator
[计] 边缘算子
🧩 词语组成解析
🗣️ 情景例句
And you can tell me
到时候你就可以告诉我`
The post office is up there on the left, You can't miss it.
那邮局就在那儿靠左边，很好找。
In time, it became an accepted fact the Cox brothers employed a conscientious ghost that did most of their work for them.
随着时间的流逝，考科斯兄弟雇了一个尽心尽责的鬼，他们家的活大部分都让鬼给干了，这件事成了公认的事实。