They are easy to understand.

它们很容易理解。

youdao

This is simple and easy to understand.

这很简单，很容易理解。

youdao

It is sung by cowboys. It is easy to understand.

它是由牛仔演唱的。它很容易理解。

youdao

The slower speed is combined with an extra effort to make the writing easy to understand.

VOA: special.2009.04.06

So the idea behind valence bond theory is very easy to understand.

价电子成键理论,非常容易理解。

麻省理工公开课 - 化学原理课程节选

Restriction enzymes have names, The names all look - they're all italicized and they're capital letters and small letters so that they won't be easy for you to understand, but they are - if you know the nomenclature, easy to understand.

限制性内切酶有自己的名字,名字看起来都很--,都是斜体的,大写小写字母混合,你们不太容易理解,但它们都是--如果你懂命名法,是很容易理解的

耶鲁公开课 - 生物医学工程探索课程节选

After so many years of missing the playoffs each year, its easy to understand why.

WSJ: Toronto Is Back (Sort of)

It is easy to understand why some feel that the Minister would want to intervene.

FORBES: Say Yes to the Yen

Most important, it has to be about as easy to understand and use as TV.

FORBES: Inside Google TV