litmus blue
常見例句
- Besides having a sour test , acids change the colour of litmus from blue to red.
除了有酸味以外,酸還能使石蕊由藍(lán)色變成紅色。
tsunzhi.blog.163.com - Turn the remnant of sodium hydroxide in the tube into water, and you'll find the solution turns red litmus blue.
把管內(nèi)的氫氧化鈉殘液倒入水中,你就會發(fā)現(xiàn):溶液會使紅色石蕊試紙變藍(lán)。
www.poetic.com.cn - It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.
這種變化雖然不同于堿滴定酸時(shí)石蕊由紅到藍(lán)的突然轉(zhuǎn)變,但也相差不遠(yuǎn)了。
blog.sina.com.cn - It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.
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