hazardous substances是什么意思 hazardous substances怎么读
hazardous substances的相关资料
hazardous substances的用法和样例
- They were trying to remove harmful substances from the soil.
他们正设法去除土壤里的有害物质。 - Those who illegally dump hazardous substances should be held accountable.
非法倾倒有害物质者应该承担责任。
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