oxygen A gaseous chemical element; an essential element in cellular respiration and in combustion processes; the most abundant element in the earth's crust and about 20% of the air by volume ['ɒksɪdʒən, 'ɑːk-] n

environ.

氧气 (一种气态化学元素，在细胞呼吸和燃烧过程中最基本的和最丰富的元素，在地壳中占20%的空气量。)

English thesaurus

oxygen ['ɒksɪdʒən, 'ɑːk-] abbr.

abbr., mil.

oxy; oxyg

abbr., polym.

oxy.

Oxygen ['ɒksɪdʒən, 'ɑːk-] n

food.ind., abbr.

E948

oxygen

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