Human teeth are almost as hard as rocks.
人的牙齿几乎和石头一样硬。
Yes, what was wrong with your old human teeth?
你到底把自己的牙怎么了？
The wear of human teeth is an inevitable physiological process.
人体天然牙的磨损是无法避免的。
RESULTS Proliferating cell nuclear antigen had different distribution in each stage during human teeth development.
结果增殖细胞核抗原在人牙齿发育各阶段具有不同的表达模式。
I think best just make some magic water may let human grow new teeth.
我觉得最好只是发明一些神奇的药水儿可以让人类重新长牙。
Human babies get their first teeth between six months and one year.
小宝宝们长到六个月至一岁时会长出第一批牙齿。
Aim: to study the functions of nerve growth factor in human developing teeth.
目的：探讨神经生长因子在牙齿发育中的作用。
When in human form, his head resembles that of a large owl with canine teeth.
雄性和雌性海象都长獠牙——不过是一生都在生长的犬齿。
When in human form, his head resembles that of a large owl with canine teeth.
雄性和雌性海象都长獠牙——不过是一生都在生长的犬齿。
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