Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: Unlike rodents , which have gnawing incisors that grow throughout life , the teeth of shrews wear down throughout life , and they lose their milk teeth before birth .
A:
Whereas rodents have gnawing incisors that grow throughout life , the teeth of shrews wear down throughout life , a problem made more extreme because they lose their milk teeth before birth , so have only one set of teeth throughout their lifetimes .