The men move in pairs or trios on foot and elephant-back—or by boat.
他们巡逻的时候以两三个为一组,或步行,或骑在象背上,偶尔也会划船。
Gender mixed pairs can take advantage of different ways men and women relate to one another.
性别的混合成对可以利于发挥男女之间的不同优势。
This time, the researchers asked 124 women and 117 men to rate 15 pairs of male faces and 15 pairs of female ones for attractiveness.
这次有124名女性和117男性参与试验,研究人员要求他们对15对男性脸庞和15对女性脸庞进行打分,界定魅力指数。
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