所有颜色都会褪色——尤其是在阳光直射下。All colour fades— especially under the impact of direct sunlight.它们能够经受极端的气温和天气状况而不褪色、不破裂。They can withstand extremes of temperature and weather without fading or cracking.有些图片褪色严重。Some of the prints ...
Plastic is a substance that hardly decomposes in the nature.塑料是一种在自然中极难降解的物质.Statistic of synthetic rubber productivity decomposes 1 seeing a table.合成橡胶生产能力统计分解见表1.When heated, it decomposes into Sodium sulfate and sodiu...