Excepting the occasional names of passers-by, Xu's labor of love is mainly concentrated on telling an old tale known as LAN hua, or "blue flower."

期待路人的日常名字，徐老的主要工作集中在讲述兰花的古老传说。

youdao

As illustrated in FIG. 2, the pump light, which is e. g., blue or ultraviolet, is concentrated at the wavelength converting element 110.

如图2所示，例如，为(例如)蓝光或紫外光的泵浦光集中于波长转换元件110处。

youdao

The holdings are now concentrated among a dozen or so blue-chip pension-fund managers and hedge funds, he said, but he declined to name them.

WSJ: North Korean Bonds? Now Could Be the Time

If anything, this blue-chip roster is more concentrated than ever in the most established quarters of liberal capitalism, the U.S. and Western Europe.

FORBES: Sidelines

Now the concentrated effort against the disease is inside the extended blue restriction zone - some 500 square miles of the North East - where vets, slaughtermen and soldiers operate the most stringent bio-security regime around a sweeping slaughter and culling campaign.

BBC: Disease 'stranglehold' on farmers