a colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O
臭氧(O
short for
〈非 正式〉 (尤指海风吹到海滨来的)清新空气。
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ozonen.臭氧;清新空气
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zonen.地带;区域;环带;带;区;色区;带子;腰带;时区
"mid 19th cent.: from German