The first mate was standing at the rail with three of the ratings. he wore a pistol in a waterproof holster . 大副身佩装入防水套的手枪，和另外三个水兵一起站在栏杆边。
Cases are known where trioecy or, more generally, heteroecy, provides for an optimal mating system . 众所周知，单全异株，或者更通俗一些说，雌雄杂生为最适交配打下基础。
The crew was made up of strong and able men and the mates were experienced seamen of the first class . 船上的全体船员都是强壮能干的人，大副二副们都是第一流的有经验的海员。
The older male buffalo is dominant in the family group and very protective of the females with which he mates . 年长的公水牛在家族中属统治地位，它们很善于保护与之交配的母水牛。
Telegony is the supposed influence of a female's first mate on the offspring of her later matings with other males . 先父遗传是与母畜第一次交配的公畜，对以后该母畜与其它公畜交配所生的后代会有影响。
Mellow yellow , mate . i was just making conversation 没事，哥们，我只是说说而已
