您要查找的是不是：
- heterospecific mating 异型婚配
- Random mating within a breeding population. 自由交配在一个育种群中自由交配
- The widow mourned for her dead mate. 那寡妇为她已故的丈夫服丧。
- Many animals mate in the spring. 许多动物在春天交配。
- The first mate was studying to become a master. 大副正在学习准备当船长。
- Pandas rarely mate (with each other) in captivity. 猫熊在豢养环境中很少(彼此)交配。
- The monkey scratched about in its mate's fur for fleas. 那只猴子在另一只猴子身上找跳蚤。
- The blackbird sat on the nest waiting for the return of her mate. 黑鹂在巢中等候其雄鸟归来。
- Mating blackbirds will defend their territory against intruders. 黑鹂交配时不容许地盘受到外来的滋扰。
- The male hunts for food while his mate guards the nest. 雌性动物守巢时，雄性动物猎食。
- At thirty, he signed on as first mate with a cargo ship. 他30岁时受雇于一艘货船当了大副。
- He is looking for a wife but he hasn't found his ideal mate. 他正在寻找未来的妻子，但还没有找到理想人选。
- The first mate will be in charge when the captain is away. 船长不在时将由大副负责。
- He had,from his second mating,a baby girl. 他第二次结婚后得一女孩。
- The mate mustered the ship's company. 大副召集船上全体人员点名。
- Their mating calls left no room for doubt. 他们求爱的呼声不容置疑。
- Disc is guided by the mating surface of the seat. 可通过所匹配的阀座表面导引阀瓣。
- But all mating efforts have been unsuccessful. 但到目前为止，交配的行动都失败了。
- He had, from his second mating, a baby girl. 他第二次结婚后得一女孩。
- Who was your best mate at Liverpool? 谁是你在利物浦最好的伙伴?
