Find a partner with sufficiently different MHC, and you're likelier to carry a baby to term.
找一位MHC差异达到足够大的伴侣，那么怀上一个容纳性的宝宝可能性就更大。
A new born baby is by birth a sweeper because the baby is born into sweeper family and must carry on the family tradition.
一位出生了就注定要当清洁工的婴儿，因为，他出生在一个清洁工的家庭，他必须承接这个家族传统。
In that first episode viewers see a strawberry dart frog’s tadpoles come to life, then watch the mother carry each baby up a rainforest tree to a safe perch inside a bromeliad plant.
在第一集中，观众将会看到一只草莓毒刺蛙的生活史，从她的蝌蚪宝宝出世； 到这位母亲将宝宝们衔到了一株凤梨树上，以寻求一处安全的栖息之地；
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