只占空气体积的千分之几 meaning in English
neon a rare gas in the air takes only fractional percentage point of the volume
Examples
- Neon , a rare gas in the air , takes only fractional percentage point of the volume
氖是空气中的稀有气体，只占空气体积的千分之几。
neon a rare gas in the air takes only fractional percentage point of the volume