Wordiyohydrogen
🇬🇧 UK/'haɪdrədʒ(ə)n/🇺🇸 US/'haidrәdʒәn/
IELTSTOEFLA2
Definitions
n.
The lightest and most abundant chemical element (symbol H, atomic number 1), a colourless, highly flammable gas.
氢，氢元素
🧩 Root Breakdown
Root-derivedExample Sentences
- 1.
Hydrogen and oxygen combine to form water molecules.
- 2.
Hydrogen fuel cells are being developed as a clean energy source.
- 3.
The sun's energy comes from the fusion of hydrogen atoms.