词汇	oxyen
释义	oxyen 英'ɒksjən美'ɒksjən氧气¹⁰⁰
随便看	operation time characteristic operation time chart operation time coefficient operation time limit operation time limit system operation time-limit system operation time oscillation operation time speed operation time study Operation Time Sync Operation Timing operationtip operation tip Operation Tips Operation to assist delivery operation to establish drainage of ventricle operation token operation to opposite direction operation topic Operation Torch operation torque Operation Totalize was to begin on 8 August operation towel operation track Operation training