Edge cover problem
[计] 边覆盖问题
🧩 词语组成解析
edge
[ɛdʒ]
n. 边;优势;（悬崖、峭壁的）边缘，端;锋利，尖锐;
vt. 在…上加边界;使渐进;给（刀刃）磨边，使锋利;修整;
vi. 慢慢向前移动，侧身移动;
🗣️ 情景例句
But his teeth hurt, and he just can't get to sleep, poor dear.
但他的牙疼， 他不能入睡， 可怜的小宝贝。
Words are but wind.
耳闻不如一见。
My wife was delighted that things had returned to normal once more.
一切又都恢复了正常，为此我妻子十分高兴。