柯林斯詞典phosphorus /?f?sf?r?s/ 1. N-UNCOUNT Phosphorus is a poisonous yellowish-white chemical element. It glows slightly, and burns when air touches it. 磷 返回 phosphorus劍橋詞典a poisonous chemical element that is usually yellowish-white or sometimes red or black in colour , shines in the dark , and burns when in the air 磷 返回 phosphorus