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。
The Memphis Zoo's panda pair, residents there since 2003, have not produced any offspring.
孟菲斯动物园的一对大熊猫从2003年入园以来目前还未产子。
The bad news is our pair-bond is designed to last for as long as it takes our offspring to reach some level of independence.
不幸的是这种双纽带仅仅是用来维持到我们的后代达到一定的独立性为止。
The bad news is our pair-bond is designed to last for as long as it takes our offspring to reach some level of independence.
不幸的是这种双纽带仅仅是用来维持到我们的后代达到一定的独立性为止。
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