在动物如何择偶方面，大多数研究的着眼点都放在了伴侣之于对方身体上某种能够很好地表明其基因般配性的特征的偏爱程度上面，而这种般配性通常又是以生殖成功率来衡量的。
MOST research into how animals choose their mates looks at how partners show preference for certain physical traits, which may well indicate genetic fitness-usually measured as reproductive success.
攻击是指某人的行为使对方认为他们将在身体上遭受其侵害。
An assault will occur when the act of one person causes another to apprehend that they are going to be physically harmed by another.
在精神上在身体上，你俩都会地，很轻松就能对方的需要。
Mentally and physically you match up well, easily satisfying one another's needs.
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