1.
Ammonia gas is colorless which can turn wet red litmus paper to blue.
氨气是无色的，它可把湿的红色石蕊试纸变成蓝色。
2.
Test: turns blue litmus paper red.
做个试验吧，能把蓝色的石蕊试纸变成红色。
3.
Connect 2 oxidation sulfur Shi Rui to try juice, if do not heat, after is litmus erubescent whether change by oneself a primary colors?
将二氧化硫通入石蕊试液,若不加热,石蕊变红后能否自行变回原色?
4.
Little paper can be used as an indicator of the presence of acid in a solution
石蕊试纸可用以测试溶液是否含酸
5.
Litmus paper can be used as an indicator of the presence of acid in a solution.
石蕊试纸可用以测试溶液是否含酸.
6.
We test the liquid for acidity with a strip of litmus paper.
我们用一条石蕊试纸来试验这液体是不是酸性的。
7.
Use of litmus paper and mechanical stapler in pancreaticoduodenectomy
石蕊试纸和吻合器在胰十二指肠切除术中的应用
8.
Congo paper
一种化学试纸（遇酸变蓝色，遇碱变红色）
9.
I would like a flower design, white flowers with red petal.
我喜欢花形图案，白色花朵，红色花蕊。
10.
A water - soluble blue powder derived from certain lichens that changes to red with increasing acidity and to blue with increasing basicity.
石蕊取自地衣的一种可溶于水的蓝色粉末，可随酸性增大而变红，随碱度增大而变蓝
11.
a purplish dye obtained from orchil lichens.
从石蕊地衣中提取的紫色染料。
12.
unsized paper treated with litmus for use as an acid-base indicator.
未定尺寸经石蕊处理的纸，用作酸碱显示剂。
13.
rtndzina, terra fusca and cerra rossa
黑色、棕色和红色石灰土
14.
any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt.
各种水溶性的化合物，有酸味，能将石蕊变红，和碱反应可形成盐。
15.
redden as if with a red ocher color.
用红宝石的颜色使变红。
16.
It's a red paper shopping bag.
是个红色的纸购物袋。
17.
Litmus: Mixture of coloured organic compounds obtained from several species of lichens.
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。
18.
Colour: V ery intense ruby color, with purple and violet hues.
颜色：深宝石红色，带有紫红色与紫罗兰色的色彩。