🔍 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:
TOEFL IELTS BNC: 5200 COCA: 5103

hydrogen

Word family
Related topics: Elements
hy·dro·gen /ˈhaɪdrədʒən/ ●●○ noun [uncountableU]  
HCEa colourless gas that is the lightest of all gases, forms water when it combines with oxygen, and is used to produce ammonia and other chemicals. It is a chemical element: symbol H 氢〔一种化学元素,符号为H
Examples from the Corpus
Origin hydrogen
(1700-1800) French hydrogène, from hydro- ( → HYDRO-) + -gène producing; because it produces water when it is burned
hy·dro·gen noun
Chinese
Syllable
Corpus
TOEFL IELTS BNC: 5200 COCA: 5103
TOEFL IELTS BNC: 5200 COCA: 5103
TOEFL IELTS BNC: 5200 COCA: 5103
hydrogen
Gases: acetylene, ammonia, argon...

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