| 单词 | 石蕊 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔contact〕Litmus paper turns red on contact with an acid.石蕊试纸遇酸度会变红美国传统〔litmus paper〕An unsized white paper impregnated with litmus and used as a pH or acid-base indicator.石蕊试纸：未定尺寸并浸满石蕊的白纸，可用作Ph值或酸－碱显示剂美国传统〔litmus test〕A test for chemical acidity or basicity using litmus paper.石蕊色质测试：用石蕊试纸对化学酸、碱性所作的测试美国传统〔litmus〕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，随碱度增大而变蓝美国传统〔presence〕Litmus paper turns red in the presence of an acid.石蕊试纸遇到酸就变红。牛津高阶〔test paper〕Paper saturated with a reagent, such as litmus, used in making chemical tests.试纸：浸有化学试剂的纸，如石蕊，用于化学试验美国传统〔test〕Litmus is a test for acids.石蕊是酸的试剂。英汉大词典The litmus paper will turn red in an acid and blue in an alkali.石蕊试纸遇酸变红，遇碱变蓝。剑桥国际You can discover the acidity of the solution with a litmus test.你可用石蕊来测试溶液的酸度。剑桥国际 |
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