pyrex flask造句

Three innovation galleries trace the evolution of flat glass, glass vessels such as cathode-ray tubes and Pyrex flasks, and glass as a material that conducts light.
If you want to cook your food in a graduated Pyrex flask, you're welcome to do so but use a flask that's only been used for cooking edible things, not one that someone else might've used earlier to brew god knows what mix of toxic chemicals.
It's difficult to find pyrex flask in a sentence. 用pyrex flask造句挺难的