现在的北美大陆和欧洲大陆大约在40亿年前是连接在一起的，在那时，加勒多尼亚山脉与现代的喜马拉雅山脉一样雄伟。

About 400 million years ago, when the present-day continents of North America and Europe were joined, the Caledonian mountain chain was the same size as the modern Himalayas.

youdao

你知道很久以前所有大陆是连接在一起的吗？

Did you know that long ago all the continents were joined together?

youdao

首要原则就是分隔出旧的建筑和新建筑，即使这两者的内部是连接在一起的。

The first principle was to separate the new and the old construction, even if they are connected inside.

youdao

If you give me a number and a string, I'm going to concatenate them together, it's really different operations, but nonetheless, it's what it's going to do.

如果给的输入是一个数字和一个字符串，我将会把它们连接在一起，这实在是不正确的操作，但是无论如何，它就是会去这么做。

麻省理工公开课 - 计算机科学及编程导论课程节选

That's due to the asymmetry of the nucleotide, that there's a 5' and a 3' end and the way that they're linked together.

这是由于核苷酸的非对称性造成的,这里是5'端和3'端,这就是它们连接在一起的方式

耶鲁公开课 - 生物医学工程探索课程节选

So one way that neurons, in particular, are able to communicate with other cells in the nervous system, share information, integrate information, decide what to do next is that they are physically connected to other different cells.

所以神经细胞之所以能够,与神经系统中其他细胞通讯,分享信息,整合信息,从而决定下一步该做什么,是由于不同细胞间,是彼此连接在一起的

耶鲁公开课 - 生物医学工程探索课程节选