He also used it to find how much material was contained in solid objects.
他还用这个方法计算实心物体中的物质的多少。
He also used it to find how much material was contained in solid objects.
他还通过试验方法来探寻一个固体里都包含哪些物质。
Do you know that there are three for most objects: solid, liquid and gas?
大家知道物体有固态、液态、气态三种状态吧？
Do you know that there are three for most objects: solid, liquid and gas?
大家知道物体有固态、液态、气态三种状态吧？
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