POA是什么意思 POA在线中文翻译

abbr. （美国）警官协会（Police Officers'Association）；聚己内酰胺纤维；第一视觉落点区（Primary Optical Area）

n. A genus of grasses, including a great number of species, as

the kinds called meadow grass, Kentucky blue grass, June grass, and

spear grass (which see).