litmus

🇺🇸 /ˈlɪtməs/ 🇬🇧 /ˈlɪtməs/
词频
难度
标签 TOP20000
noun
R

a special paper that changes color to red in sour liquids and blue in soapy liquids.

In science class, we used a piece of litmus paper to see if the liquid was acid or base.

在科学课上,我们使用一张立特纸来检测液体是酸性还是碱性。

translation

n. 石蕊

词形变化

Plural litmuss