英语词汇test substance简单造句、意思、用法及例句-英语例句辞典

单词	test substance
例句	原声例句环境与科学 But only the manufacturers test the substance for toxicity and environmental impact. 但是只有生产厂家检测物质的毒性和对环境的影响。 VOA Standard 2015年8月合集 No matter how they test the substance, customers will not be able to tell the difference. 不管怎么测试, 客户也都无法区分。
随便看	slave over slave owner slave owners slaver slave rebellions slavered slaveries slavering slavers slavery slavery law slavery state slaves slaves away slave ship slave ships slave society slaves over slave state slave states slaves to fashion slave system slave to fashion slave trade slave trader

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