adv.不可思议地；少见地
We did some singularly boring experiment. 我们做了一些非常乏味的试验。
I had a singular experience in Africa. 我在非洲时有过一次奇特的经历。
In English, nouns can be singular or plural. 英语中，名词有单复数之分。
The singular of "mice" is "mouse". "mice"的单数形是"mouse"。
"One boy" is singular; "two boys" is plural. "一个男孩"是单数; "两个男孩"是复数。
