hydrogen
/ˈhaɪdɹədʒ(ə)n/
B1 · Intermediate★★★☆☆
Simple Meaning
一种非常轻的无色无味气体，是构成水的元素之一。
When to Use
📚Academic Writing⚙️Technical📰News & Media
Intermediate — can handle common situations
Examples in Conversation
“氢是宇宙中最常见的元素。”
“现在有些汽车用氢代替汽油运行。”
Learning Path
▶Full Definition
The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.