girl是可数名词。
girl:n.女孩;姑娘;女儿;年轻女子;
例如:We treat boys exactly the same as girls.
What are the reasons for the discrepancy between girls 'and boys' performance in school?
女生和男生在学校表现不同的原因何在呢?
The girls' outdoor track team has grabbed the brass ring seven times.
女子室外径赛运动队已经七次夺冠。
You girls, stop talking!
你们这些女孩子,别说话了!