A Harvard anthropologist has proposed that using fire to cook food could be dated back to almost two million years and that it could explain hominid features like having a large brain and small teeth.

哈佛大学的一位人类学家提出，用火做饭可以追溯到近200万年前，这可以解释人类的一些特征，比如大脑大，牙齿小。

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Bob: That is a lovely small teeth.

鲍勃：那是小虎牙，多可爱。

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The spores are produced on small teeth or lamellae rather than gills.

孢子都是由子实体的小齿或小孔中产生而不是在菌褶上产生。

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"Bats are about the size of mice and they have very small teeth, and so if you have a bat fly into you or bump you, that bat may have just bitten you and you may not appreciate it, " he says.

CNN: Four shots enough to ward off rabies

In 1968 over one third of the total adult population of the UK had no natural teeth, and only a small number of people of pensionable age had any teeth at all.

BBC: Dentists warn over ageing teeth

Big video-rental chains have been kicking small shops in the teeth for years--which makes Christine Kim's feat all the more impressive.

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