It'serves as a red colorant for glass and glazes.还用作玻璃和釉面的着色剂.Powdered colorant need to keep the paper, or transfer charge.粉末状的着色剂需要使用能够保持或转移电荷的纸张.This paper summarized classification, functions, varieties of colora...
The stars are not afraid to appear like fireflies.群星不怕显得象萤火那样.Fireflies give off flashes of light when they fly at night.萤火虫夜间飞行时发出闪光.My fancies are fireflies, — Specks of living light winkling in the dark.我的梦幻恰是一团萤火——在幽...
The western-most part of north Wales is a stronghold of Welsh-speakers.北威尔士最西部是说威尔士语人的聚居区。He decided to do something about reforesting man-made wastes of western Australia.他决定为在澳大利亚西部人为导致荒芜的土地上重新造林做点事情。There was a slacke...