Wordiyohelium
🇬🇧 UK/'hi:liәm/🇺🇸 US
TOEFLC1
Definitions
n.
A colorless, odorless, inert noble gas; the second lightest chemical element, symbol He, atomic number 2
氦（化学元素，符号He）
🧩 Root Breakdown
Root-derivedExample Sentences
- 1.
Helium is used to fill balloons and blimps because of its low density.