European salamander having dark skin with usually yellow spots.

黑色皮肤上通常有黄色斑点的欧洲蝾螈。

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Any of various plants of the genus Senecio, having rayed, usually yellow flower heads.

多种千里光属植物中的一种，有伞状，且通常为黄色的头状花序。

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North American annual plant with usually yellow or orange flowers; grows chiefly on wet rather acid soil.

北美一年生植物，花通常黄色或橙色；主要生长在潮湿酸性土壤中。

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The main villains on these roads are usually the yellow minibuses, known as danfos, which can switch lanes in a split-second, sending nearby vehicles screeching to avoid them.

BBC: Beijing traffic jam

Looking at the ease with which we now capture colour pictures and transmit them around the world in seconds it's easy to forget that it was not that long ago news agencies were transmitting their wire photographs as colour separations, usually cyan, magenta and yellow - a process that relied on Clerk Maxwell's discovery.

BBC: Pioneering colour photography

The image, replacing profile pictures on Facebook, Twitter, Instagram, Tumblr, Pinterest and elsewhere, is a makeover of the advocacy group's logo, usually a blue background with bright yellow lines.

NPR: Gay Marriage Equality Box Spreads On Social Media