1·Groups of angry youths hurled stones at police.
一群群愤怒的年轻人朝着警察猛掷石块。
—— 《柯林斯英汉双解大词典》
2·Groups of drunken hooligans smashed windows and threw stones.
成群醉酒的小流氓打碎了窗户，乱扔石头。
—— 《柯林斯英汉双解大词典》
3·There are no significant differences between the two groups of students.
这两组学生没有明显差别。
—— 《牛津词典》
4·Unsupported mothers are one of the fastest-growing groups of welfare claimants.
无经济支持的母亲们是申请福利的群体中人数增长速度最快的一部分。
—— 《柯林斯英汉双解大词典》
5·Groups of unemployed people from all over the country marched in procession to the capital.
来自全国的失业群众列队向首都进发。
—— 《牛津词典》
6·The two biologists found, to their surprise, that both groups of birds survived equally well.
这两位生物学家惊奇地发觉，两组鸟都同样很好地活了下来。
—— 《柯林斯英汉双解大词典》
7·Groups of tourists crowded the main streets.
大街上挤满了成群的游客。
8·Other times, bad ideas can cause problems for certain groups of people.
有时候，坏主意会给某些群体带来麻烦。
9·I give speeches many times a year to groups of every possible description.
我每年要给各种各样的团体演讲很多次。
10·In the depths of the French Guyanese rainforest, there still remain unusual groups of indigenous people.
在法属圭亚那热带雨林的深处，仍然有罕见的土著人群体。