For eight years, the scientists asked the same group to come back to the lab every 18 months to take the same sorts of tests.

在八年的时间里，科学家们要求同一组人每18个月回到实验室进行同样的测试。

youdao

Dominic, the show-off of the group, picked up one measly pear, put it on top of his snout, and performed a balancing act as we made our way back to the cave.

多米尼克，队伍里最爱耍酷的家伙，拿起一个很小的梨子，把梨子顶在鼻子上玩找平衡的杂耍，在我们回山洞的路上捣腾个没完。

youdao

His group was forced to turn back and take an alternate route.

他的小组被迫返回并采用了替代路线。

《柯林斯英汉双解大词典》

One Confederate officer, trying to prevent his troops from moving back, pointed to a group led by General T.J.Jackson of Virginia.

VOA: special.2009.08.27

One group of children was a control group; the second group was taught to think back to experience that make them laugh or smile.

一群小孩组成对照组;,有人教第二组小孩回想,让他们大笑或微笑的经历。

哈佛公开课 - 幸福课课程节选

When you bring a group of your friends back to your house, you're expecting to have a good time, : and your grandparent is there and says, "Oh, it's so good to see a bunch of young people.

当你带着,一群朋友回家，想要狂欢一下，但你的祖父母在家并说，“噢！看到一群年轻人真好。

耶鲁公开课 - 政治哲学导论课程节选

They began with back-to-back defeats to eventual group winners Gloucestershire and Yorkshire, before four successive wins sealed their qualification.

BBC: Friends Provident Trophy - Road to Lord's

I'd get back to the group and I would get dropped.

WSJ: Taylor Phinney: This Is Not a Story About Last Place��Jason Gay

It had all looked so promising on Monday for those who might want a contest when former minister Michael Meacher stepped aside and called on his supporters to back Campaign Group leader John McDonnell as the man to challenge Mr Brown for the leadership.

BBC: Analysis