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- The following information shows the result of an experiment when pieces of blue litmus paper and red litmus paper are dipped into three liquids, X , Y and Z. 下列的资料显示蓝色和红色石蕊试纸浸入X、Y和Z三种液体时的试验结果。
- blue litmus paper 蓝石蕊试纸
- 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。
- Ammonia gas NH 3 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。
- 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。
- Litmus paper turns red in the presence of an acid. 石蕊试纸遇到酸就变红。
- Litmus paper turns red on contact with an acid. 石蕊试纸遇酸度会变红
- VOICE: There's no litmus paper that can detect God. 根本沒有石蕊紙可以發現上帝的存在。
- 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。
- NH 4 + when heated with sodium hydroxide solution, a colorless gas (ammonia) is given out which can turn wet red litmus paper to blue. 铵盐和氢氧化钠溶液共热时会放出一种无色气体(氨)，它可把湿的红色石蕊试纸变蓝。
- Strong bases that turn litmus paper blue, they react with acids to yield salts, are caustic, and in concentrated form corrode tissues. 它们与酸作用成为中性盐；它们是苛性的，其浓缩物可腐蚀有机组织。
- A laboratory cunt and no litmus paper that could take her color. 他家族中的女人们在九世纪曾两次改换祖先，到了文艺复兴期间又换了一次。
- Any of a large class of sour-tasting substances whose aqueous solutions are capable of turning blue litmus indicators red, of reacting with and dissolving certain metals to form salts, and of reacting with bases or alkalis to form salts. 酸任何一类酸性的物质，它的水溶液可以使蓝色石蕊试纸变红，与金属反应或溶解金属时可形成盐，和碱反应亦可形成盐
- Or, if you are unwilling to look at it closely, examine it with a piece of pH test paper (litmus paper). 在学术界及营养学上，一般将食品分成酸性食品和碱性食品两大类。
- "In the form of a water solution or as litmus paper, it is the oldest and most-used indicator of whether a substance is an acid or a Base. 它的水溶液,或者做成石蕊纸后,是最古老和最常用的指示剂,可以指示一种物质是酸还是碱。
- Sourness is just another word for acidity, Suslick said, which any high school chemistry student can test for using litmus paper. 萨司利克说，酸味只是酸度的另一种表述方式，任何一间中学的化学学生都可以用石蕊试纸进行它的测量。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- He lined the paper with a blue pencil. 他用蓝铅笔在纸上划了线。
- This cloth has a pattern of blue and white squares. 这种布有蓝白格子的图案。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
