“石蕊”造句

石蕊: 从几种地衣类植物中获取的带色有机化合物的混合物.
Litmus: Mixture of coloured organic compounds obtained from several species of lichens.

例如石蕊和酚酞.
Examples are litmus and phenolphthalein.

它能改变指示剂的颜色,使石蕊和通用指示剂变蓝.
It can change the color of the indicator and make litmus and general indicators blue.

• #石蕊