🔍 牛津詞典
🔍 朗文詞典 🎯
🔍 劍橋詞典
🔍 柯林斯詞典
🔍 麥美倫詞典
🔍 韋氏詞典

檢索以下詞典:
(Mr. Ng 不推薦使用 Google 翻譯!)
最近搜尋:
BNC: 36064 COCA: 16349

litmus

Word family
Related topics: Chemistry
lit·mus /ˈlɪtməs/ noun [uncountableU]  
HCa chemical that turns red when it touches acid, and blue when it touches an alkali 石蕊〔一种遇酸变红、遇碱变蓝的化学物质〕
Examples from the Corpus
Origin litmus
(1300-1400) Old Norse litmosi, from litr coloring substance + mosi moss
lit·mus noun
Chinese
Syllable
Corpus
BNC: 36064 COCA: 16349
BNC: 36064 COCA: 16349
BNC: 36064 COCA: 16349
litmus
Chemical substances used for a specific purpose: agar, antifreeze, antioxidant...

👨🏻‍🏫 Mr. Ng 朗文詞典 📚 – longman.mister5️⃣.net
切換為繁體中文
Site Uptime