"二组"是个多义词，它可以指二组（贵州省安顺市镇宁县江龙镇陇西村下辖组）,二组（贵州省黔南州三都县中和镇塘赖村下辖自然村）。
第二组从飞机上往火上浇水。
当对两组学生的学习内容进行测试时，第二组“明显优于”第一组。
When the two groups were tested on what they'd learned, the second group "significantly outperformed" the first.
与此同时，第二组被要求通过相互合作来解决同样的问题，没有任何来自他们的导师的提示。
Meanwhile, a second group was directed to solve the same problems by collaborating with one another, without any prompts from their instructor.
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