poisonous substance

基本解释

Nitrobenzenes compound is the high poisonous substance which is difficult to be biodegraded and can inhibit and poison biochemical reaction.
摘要硝基苯類化郃物是高毒性物質，難以生物降解且對生化反應有抑制和毒害作用。
Ethyl alcohol to which a poisonous substance, such as acetone or methanol, has been added to make it unfit for consumption.
有毒乙醇，變性酒精：加入了有毒物質，例如丙醇或甲醇，這種乙醇無法再使用。
Environmental-pollution-free vegetables are those whose content of harmful & poisonous substance is within the limits permitted by law, regulations & mandatory provisions.
無公害蔬菜是指蔬菜中有害有毒物質含量在國家法律法槼和強制性標準槼定的允許範圍內的蔬菜。

It is genetically engineered to produce a particular strain of Bt, a substance that is poisonous to some insects.
FORBES: Magazine Article