以字母x开头的单词

xylophone（木琴）；x-ray（x光照片）；xerox（复印件）；xenophobia（对外国人的憎恶）；xerasia（毛发干燥）；xiphoid（剑状突起的）；xylitol（木糖醇）

It will only register on sophisticated X-ray equipment

只有精密的X射线仪器才能显示出来。

The benefit of an x-ray far outweighs the minutely increased risk of cancer.

X光的好处远远大于其在很小程度上增加的罹患癌症的风险。

This paper summarized the chemistry and physics characters of xylitol.

本文简单的介绍了木糖醇的理化性质.