Other scientists called them Rontgen rays in honor of the man who first found them, but X-ray is the name now always used.

其它的科学家则称呼这些射线为栾琴射线来纪念第一个发现它的人，但X光是现在经常使用的名称。

youdao

The people who used them were some of the first populations to arrive in and settle in Europe.

VOA: special.2009.08.18

It refers to the all-too-common dynamic of the people who got there first trying to keep the next wave of others (who used to be just like them) far, far away.

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There is an entire economy of widgetmakers, and most of them are small, with some significant exceptions: YouTube was first adopted by MySpace members, who used the site's software to post videos on their profiles.

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