These can be made to emit white light by coating the device with a phosphor compound that absorbs part of the blue light and re-emits it as yellow.

只要为发光装置加上磷化合物涂层，吸收蓝光，重新发出的光线即呈黄色。

youdao

The yellow you see coating its body is pollen, perhaps acquired after a messy tussle with a bee.

附着在它身体表面的黄色的东西是花粉。或许这只蜘蛛在和一只蜜蜂进行混乱的厮打之后而沾上的。

youdao

So should avoid latex coatings and polyurethane resin coating and construction, had better be in polyurethane resin coating completely dry brush again latex coating, can avoid the yellow phenomenon.

因此应避免乳胶涂料和聚氨酯树脂涂料同时施工，最好是在聚氨酯树脂涂料完全干燥后再刷乳胶涂料，可避免泛黄现象。

youdao

Each disc is covered in a transparent plastic coating (either blue, green, yellow or red) which lets daylight filter through.

WSJ: Daniel Buren's Bright Periphery | 'Excentrique(s) Travail In Situ' at the Grand Palais in Paris

The pocket-sized, HD camcorder comes in silver and yellow and features a rubberized coating that makes it perfect for recording underwater.

ENGADGET: Toshiba's waterproof Camileo BW10 does 1080p video, 5 megapixel stills for $150

He uses hundreds of pounds of pure melted beeswax much like plaster, smoothly coating walls and ceilings until they almost resemble yellow marble except with a warm glow.

WSJ: A Collaboration of Bees and Man: The Phillips Collection at the Laib Wax Room