In the next line four lines, we have Camus; the god of the river Cam appears.

下面四行，开姆斯;,开姆河河神出现了。

耶鲁公开课 - 弥尔顿课程节选

Look at line number four, which is so clearly -- simply by looking at this, you can tell it's deficient in the number of syllables.

看第四行，显而易见--单单看一眼,就能看出它的音节数不够。

耶鲁公开课 - 弥尔顿课程节选

It's rhymed iambic tetrameter, four beats per line, with some variations.

这是首押韵的短长体四音部句，一行四音，也有些变化。

耶鲁公开课 - 现代诗歌课程节选

In fact, you don't have to draw it this complicated way, you could just draw it as a line with and hanging off of it, and you would know that that's a DNA molecule four bases long.

实际上你不必画的这么复杂,你只要画几个线条并标明连接的碱基,别人就能知道它是含四个碱基的DNA

耶鲁公开课 - 生物医学工程探索课程节选

Look at line sixty-four.

看第64行。

耶鲁公开课 - 弥尔顿课程节选