视频对白:

More information can be discovered by X-raying some perfect fossile.
对一些完美的化石使用X射线，可以发现更多的信息。
They even reveal details of the gut and musclefibresinside the animal's body.
甚至可以揭露动物内部内脏和肌肉纤维的详细信息。
But perhaps the most astounding thing about trilobite fossils.
可能最让人大吃一惊的是有关于三叶虫化石。

本期要学的单词:fibre

n. 纤维；纤维制品

例句

Nylon is a man-made fibre.
尼龙是一种人造纤维。

Our palaeolithic ancestors consumed around 100 g of fibre per day.
我们旧石器时代的祖先每天吃约100克纤维。