1·This happens either after weaning, or right after pregnancy if you don't breastfeed at all, or during menopause.
这种现象会发生在断奶的时候，或者如果根本就不进行母乳喂养的话，那么产后就会立即发生退化。
2·While some girls are cast out after delivering and weaning a boy, Suman still lives in the household following the birth of her own, though says she is beaten when she displeases her in-laws.
一些生下男孩的女子，等到孩子断奶后就会被赶走，但苏曼生下儿子后仍然留在了这个家里。不过她说，每次惹公婆不高兴了，她就会挨打。
3·After weaning, the baby rats were allowed to pick their own diet from a choice of rat feed and junk food.
在断奶后，研究者们观察了幼鼠对于饲料与垃圾食品两者之间选择的喜好。
4·I practiced baby-led weaning. It isn't always easy or convenient.
我给孩子们断奶采用的是孩子自主决定的方法，因为一直喂奶有时候有不方便。
5·In each of the four cases, a different mutation is involved, but all have the same result - that of preventing the lactose-digesting gene from being switched off after weaning.
四个案例中的每一个都有一个不同的变异，但都有相同的结果——就是阻止了消化乳糖的基因在断奶后被关闭。