A group of two
两组───Two groups;组───group
The two groups agreed to cooperate with each other.───这两个组同意相互协作。
There've been some bitter exchanges between the two groups.───两组之间有过些激烈的争吵。
The two groups must meet on an equal footing.───这两个集团必须以平等地位会谈。
RESULTS There was no significant difference in hemodynamic and HCT at every time point between the two groups.───结果各时点血流动力学、血红蛋白、红细胞压积两组病人无明显差异。
The two groups that had not counted calories did not show a similar increase in psychological stress.───而没有被计算卡路里的两组被试者没有表现出相同的心理压力增长的现象。
Results: There was no significant difference in the conditions of anterior segment between the two groups.───结果：术后实验组与对照组眼前段情况无明显差异。
The two groups have existed in a state of mutual distrust for centuries.
The report highlights the similarity between the two groups.
For convenience, the two groups have been treated as one in this report.
The two groups agreed to hold an informal meeting.
The two groups of fans must be segregated in the stadium.