cancinogenic substance

• 致癌物

cancinogenic substance的用法和样例：

例句

1. Contain in lampblack one kind calls benzene and the carcinogenic substance of Bi, long-term and inspiratory this kind of harmful material can cause lung to organize canceration.
   油烟中含有一种称为苯并芘的致癌物，长期吸入这种有害物质可诱发肺脏组织癌变。