它们的外形真像鲨鱼。

They are shaped like sharks.

youdao

然而，据研究了12年鲨鱼行为的克拉克博士说，人类通常不在鲨鱼的菜单上。

However, according to Doctor Clark, who has studied the behavior of sharks for twelve years, humans are not normally on the shark's menu.

youdao

世界上有350多种不同的鲨鱼。

There are over three hundred fifty different kinds of sharks in the world.

youdao

They all died. And it was--not everybody, but in France 1,500,000 people died, and that's a huge demographic chunk, it's like a big shark took a big bite out of your basic pyramid of your demographic tree.

都死了,的确是,倒不是所有人,但是在法国有一百五十万人阵亡,这在人口比例中占很大一部分,就好像一个大鲨鱼照着,人口树的基底咬了一大口

耶鲁公开课 - 1871年后的法国课程节选