Owens and Olson hypothesize that the presence of carotenoids, as signaled by coloration, would be meaningful in the context of mate selection if carotenoids were either rare or required for health.(欧文斯和奥尔森假设，如果类胡萝卜素是稀有的或对健康有要求的，则通过着色指示的类胡萝卜素的存在在配偶选择的背景下将是有意义的。)
I knowed the robin was mate-huntin' when I seed him last.(我上次见到那只知更鸟时，就知道它在找对象。)
The presidential nominee was advised to choose a woman as a running mate.(有人建议总统候选人找一位女性竞选伙伴。)
These divine beings descend to earth and mate with female humans.(这些神灵降临凡间，并与女性人类交配。)
By this means, they signal their level of aggression or readiness to mate.(通过这种方式，它们表明了自己的攻击性或交配意愿。)
This allows the pair to mate properly and stops the hen from staying in the nest.(这可以使这一对正常交配同时也阻止雌禽待在窝里。)
Nibs and John were first and second mate.(尼布斯和约翰是大副和二副。)
It wants to mate but it's also afraid and wants to run away.(它想交配，但它也害怕，想逃跑。)
Sorry mate, you'll have to wait.(对不起，伙计，你得等着。)
If we take our example from a minute ago, if the bird is afraid of its mate, it's conflicted.(如果我们以一分钟前的例子为例，鸟要是害怕它的伴侣，它就是相互矛盾的。)
