氧供应缺失oxygen: n. 【化学】氧,氧气。 supply: adv. =supplely. absent: adj. 1.不在的,缺席的,缺勤的 (opp. pre ...oxygen supply: 供氧; 氧供给; 氧供应algae oxygen supply system: 藻类供氧系统下载手机词典可随时随地查词查翻译