One theory is that bipedality evolved in conjunction with the nuclear family: monogamous parents cooperating to care for their offspring.
有一种理论认为，两足动物的进化与核心家庭有关：一夫一妻制的父母合作照顾他们的后代。
I don't think I was constructed to be monogamous.
我不认为我的构造适合一夫一妻。
Apparently that monogamous mammalian instinct is weak.
显然哺乳动物的一夫一妻制天性很薄弱。
All were pre-menopausal and in monogamous relationships.
所有被选者均是一夫一妻制度下没有绝经女性。
Males from monogamous species did not show these patterns.
而一夫一妻制物种中的雄性则没有出现这种情况。
So birds are monogamous but they cheat as well, within limits.
所以鸟类是一夫一妻制，但它们也背叛，有限度地。
I've been monogamous with the Microsoft Natural Keyboard 4000 for a long time.
和微软的naturalkeyboard 4000一夫一妻的相处了很长一段时间了。
It does, however, mean he doesn't respect you if you'd agreed to be monogamous.
然而它的确是指他不尊重你，如果你赞同一夫一妻制的话。
What makes it unusual among mammals is that it is both sociable and monogamous.
在哺乳动物中，它的与众不同之处在于它既是群居性的，也实行一夫一妻制。
B eing tested for HIV and being faithful in marriage and monogamous relationships.
检测艾滋病病毒，忠贞于婚姻，实行一夫一妻制。
Prairie voles live in family groups consisting of a monogamous mated pair and their offspring.
一对单配偶的橙腹田鼠及其子女组成家庭，一起生活。
In monogamous gulls and albatrosses, it gave females the chance to breed without a male partner.
海鸥与信天翁同样有“一夫一妻”传统，不过雌性在没有雄性的前提下可以更好的哺育后代。
I think life would be good as a monogamous albatross, partly because I find human courtship senseless.
我想如果都像信天翁的一夫一妻制，生活会变得很好。部分是因为我发现人类求爱时很愚蠢。
Less than 5% are monogamous, and there is no clear pattern to help explain why it occasionally appears.
一雌一雄结合小于5%，现在没有清晰模式有助于解释这现象。
People tell you who they are all the time. When a man says he can't be monogamous, you should believe him.
人们总是在不停的告诉你他们是怎样的人。如果一个男人一开始就告诉你他不会很专一，你应该相信他。
Monogamous relationships don't guarantee absolute safety unless you've both been tested and are HIV-negative.
一夫一妻制不能绝对保证安全，除非你们都检查过身体且HIV都呈阴性。
The data is clear that long-term, monogamous, loving relationships between parents are very good for children.
数据清楚地说明，长期、恩爱、忠贞的夫妻关系对孩子的成长是很好的。
The prairie vole, which is monogamous, bonds with one female for life, even if he's presented with other, fertile females.
那些草原上的单配的田鼠，它也只会一身只绑定一个雌性，即使它被放置与其它能生育的雌性田鼠一起。
The prairie vole is a sociable creature, one of the only 3% of mammal species that appear to form monogamous relationships.
草原田鼠作为一种社会性生物，它是仅存3%的“一夫一妻制”哺乳动物中的一类。
How many of you would love to have a totally one-on-one committed relationship with someone totally focused and 7 monogamous?
你们当中有多少人愿意洁身自好，对伴侣忠实，愿意信守一夫一妻的观念呢？
For Nisan, who would probably score an 8 or a 9 on Morinaga's MOE scale, 2-d love is a substitute for real, monogamous romance.
尼森在森永的表上可能达到八级或者九级，对他而言，2d爱情则是现实世界一夫一妻爱情的替代品。
When we’re in a monogamous relationship, what we have a right to insist on is that no names get added to the list after our own.
在一夫一妻的关系下，我们有权坚持的是在我们之后不会有其他的姓名加入名单。
When we're in a monogamous relationship, what we have a right to insist on is that no names get added to the list after our own.
在一夫一妻的关系下，我们有权坚持的是在我们之后不会有其他的姓名加入名单。
When we're in a monogamous relationship, what we have a right to insist on is that no names get added to the list after our own.
在一夫一妻的关系下，我们有权坚持的是在我们之后不会有其他的姓名加入名单。
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