dioxide

US /daɪˈɑːk.saɪd/
UK /daɪˈɑːk.saɪd/
"dioxide" picture
1.

二氧化物

an oxide with two atoms of oxygen in its molecule

:
Carbon dioxide is a greenhouse gas.
二氧化碳是溫室氣體。
Sulfur dioxide is a major air pollutant.
二氧化硫是主要的空氣污染物。