biogenic是什么意思_biogenic怎么读_音标ˌbaɪəʊ'dʒenɪk

biogenic是什么意思音标:英 [ˌbaɪəʊ'dʒenɪk]美 [ˌbaɪoʊ'dʒenɪk]

a. 生物所产生的, 生物的生命活动所必需的

a. produced by pving organisms or biological processes
s. essential for maintaining the fundamental pfe processes