polychlorinated

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Having many hydrogen atoms replaced by chlorine. not-comparable
    — Another environmental factor thought to be affecting some coastal birds, although comparatively little is yet known about its extent or origin, is the presence of marine pollutants such as polychlorinated biphenyls (PCBs) and toxic heavy metals.

词源

Etymology tree
Proto-Indo-European *pleh₁-
Proto-Indo-European *polh₁ús
Ancient Greek πολῠ́ς (polŭ́s)lbor.
English poly-
English chlorinated
English polychlorinated
From poly- + chlorinated.
0 次浏览 数据来源: Wiktionary