a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
a planet (usually Venus) seen just before sunrise in the eastern sky
例句
用作名词(n.)
No animal or plant can exist without phosphorus.没有一种动物或植物离开磷能够生存。
