Boundary operator
[计] 边缘算子
🧩 词语组成解析
🗣️ 情景例句
Hey, that must be Pete!
嗨， 那一定是Pete
The bird loves her nest.
鸟爱自己的窝。
if there is any effect of noise upon mental health it must be so small that present methods of psychiatric diagnosis cannot find it.
如果噪音对精神健康有影响的话，那也一定是微乎其微，以致现代的精神病诊断方法还发现不了。