BBC地平线系列之《熟食造就了人类吗》第17集:不同时期的人类牙齿
日期:2015-04-30 16:32

(单词翻译:单击)

原文视听

This is the more recent human ancestor.
这是出现得晚一点的人类祖先
Its teeth are smaller, they're crustier,
它的牙齿小一些 却更坚硬
and the enamel is thinner.
釉质也变薄了
Professor Ungar wants to find out
恩戈教授想探究
how these very different sets of teeth have adapted to different diets.
各式各样的牙齿是如何适应不同饮食结构的
Enter the BITE Master II.
咀嚼模拟器II出场
This unique machine simulates chewing.
唯一能够模拟咀嚼的机器
It will put these ancient jaws to the test.
我们将用它检测这些古老的颌骨
We're going to set it chewing on different sorts of foods
我们会让它们咀嚼不同的食物
and try and see how the different teeth
努力观察不同的牙齿
affect the way the food's broken down during the chewing.
咀嚼时食物破碎的方式
This is the first time in three million years
这是这些南方古猿的牙齿
that these australopithecus teeth have seen action.
三百万年以来第一次运动
So how will they fare against a raw carrot?
它们进食生胡萝卜时效果如何呢
OK, give it a shot.
好了 试一下吧

重点解释

Professor Ungar wants to find out how these very different sets of teeth have adapted to different diets.恩戈教授想探究各式各样的牙齿是如何适应不同饮食结构的

find out发现;找出来;揭发

Jill will find out your secret she never misses a trick!

吉尔会发现你的秘密的--她很警觉!

I wouldn't like to be in your shoes if they find out what you're doing.

要是人家发现你现在干的这件事,我可不愿设想你得有多倒霉。

We're going to set it chewing on different sorts of foods我们会让它们咀嚼不同的食物

sorts of...的种类

There are many sorts of software in my computer.

我的计算机里有很多软件。

the way the food's broken down during the chewing.咀嚼时食物破碎的方式

break down分解

Sugar and starch are broken down in the stomach.

糖和淀粉在胃里被分解。

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