harmful substance

harmful substance 基本解释

[经] 有害物质

harmful substance 用法和例句

1、Filter tips clean some harmful substance from the smoke.

滤嘴能消除香烟中一些有害得物质。

2、Determination on Harmful Substance in the Flue Gas Discharging from Household Coal Stoves and Gas Cooker

民用炉具排放有害物质的研究

3、However, some harmful substance volatilized from fly ash in melting process, which caused second contamination.

然而，飞灰熔融过程中有有害物质挥发，造成二次污染。

重点词汇

harmful adj. 对…有害的；能造成损害的；不利；不良

substance n. 物质，材料；实质，内容；[神]灵；（织品的）质地