highly toxic substance

基本解释

• [交通运输工程]剧毒物质

英汉例句

双语例句

• Automobile exhaust tetraethyl lead is a highly toxic substance.
  汽车尾气中的四乙基铅是剧毒物质。
• Singlet oxygen, a byproduct of the photosynthetic process by which certain cells convert sunlight into energy, is a highly toxic and reactive substance that tears cells apart.
  单态氧是特定细胞在其光合作用过程中的副产物之一，而细胞通过这一过程将光转化为能量。该物质具有很高的毒性，同时也是一种可使细胞破碎的活性物质。

权威例句

• Ricin is a highly toxic substance made from castor beans.
  NPR: FBI: Arrest Made In Wash. State Ricin Letter Scare

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专业释义

交通运输工程

• 剧毒物质