Litmus
高中 Senior Highn. 石蕊\\n[化] 石蕊
📝 例句
chalk beer-wort yeast litmus milk
白垩、麦芽汁、酵母浸膏石蕊牛乳(培养基)
litmus mannite agar
石蕊甘露醇琼脂
chalk blood yeast dextrose litmus milk
白垩、血、酵母浸膏石蕊牛乳(培养基)
litmus paper turns red on contact with an acid.
作家要接触真实的生活。
Test: turns blue litmus paper red.
做个试验吧，能把蓝色的石蕊试纸变成红色。
📖 牛津释义
litmus
n[U]
blue colouring-matter that is turned red by acid and can be turned blue again by alkali 石蕊（蓝色物质, 遇酸变红, 再遇硷则还原变蓝）.
🗣️ 情景例句
Compliments of the Watermill Inn. Watermill Inn
请客。
He always called me as my friend.
他总是以“我的朋友”称呼我。
so that there are heavy odds in favour of our dying between the ages of sixty-five and eighty.
我们最可能死亡的年龄在65至80岁之间，