| 释义 |
Nocuousness substances
基本例句
有毒有害物质
All dairy products must be tested Pipi melamine, and other toxic and harmful substances.所有的乳制品，必须批批检验三聚氰胺等有毒有害物质。
It is prohibited to mine the coal with toxic or harmful substances, such as radioactive and arsenic, that exceed the prescribed limits.禁止开采含放射性和砷等有毒有害物质超过规定标准的煤炭。 |