different substances翻译

different substances的基本解释

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不同的物质:指在化学或物理性质上有所不同的物质。

例句

In experimenting we find out that sound travels with different velocities through different substances.在实验中,我们发现声音以不同的速度通过不同的物质而传播。《新英汉大辞典》
Now, Laser Spectroscopy, which is the focus of your assignment, works by measuring very precisely what parts of the spectrum are absorbed by different substances.现在来说说激光光谱学,这是你们作业的重点,激光光谱学可以非常精确地测量光谱的哪些部分被不同物质吸收。
When we use metals, it is important to know how they react with different substances.当我们使用金属时,知道它们与不同的物质是如何反应的是很重要的。

短语

For Different Hazardous Substances 针对不同有害物质
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