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。
2
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。
3
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.