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1·Males contribute to parental care in fewer than five percent of all mammalian species.

在所有哺乳动物物种中，只有不到5%的雄性承担父母养育的责任。

2·But, and this is important, their clutch volumes matched those of birds that have only male parental care.

但是，这一点很重要，它们的繁殖量与那些只有父方抚养幼儿的鸟类的数量相当。

3·Prolactin - A peptide hormone that induces lactation and parental care.

催乳素-肽激素诱导泌乳和父母照顾。

4·Why did evolution take different paths to get to similar places (parental care, for example)?

为什么进化通过如此不同的途径达到相同的结果呢（例如育幼行为）？

5·If he's home all day with the kids, it's not fair for her to come home and complain about the way he's dispensing his parental care.

如果他整日和孩子呆在家里，她回到家里抱怨他抚育的方式是不公平的。

6·Dr Arce explained that for a non-social insect, these burying beetles are already known to show quite substantial levels of parental care.

阿尔塞博士解释说，作为一种非社会昆虫，这些埋葬虫是已知的表现出相当父母照顾水平的虫类。

7·In the past several decades, the relationships among health, physical growth, psychological development and parental care-giving have become clearer.

在过去的几十年中，健康、体格生长、心理发育以及父母关爱之间的关系变得越来越清晰。

8·Asked about his boundless energy, Yang, 23, a grad of Yan 'an University, attributes it to the company's parental care for its employees and opportunities for promotion.

当被问及为何总有使不完的干劲时，毕业于延安大学，现年23岁的杨永发将其归功于公司给予员工们父母般的关怀以及晋升机会。

9·It is also unusual for exhibiting a high degree of parental care, while it is unique in that it is the female that approaches the male to mate, not the other way around.

呈现出的高度亲代抚育也不同寻常，而最特殊的一点是求偶中雌性接近雄性而不是相反。

10·Such efforts offer an indispensable compensation for the otherwise unbearable sense of loss these youngsters must cope with as a result of living without parental care.

这些努力对于这些留守儿童因远离父母而造成的难以承受的缺失感也是一种必要的慰籍。