oxygen

合力的英文：cooperate参考例句：resultant force合力The binding affinity of remaining hemoglobin sites for oxygen is changed by the presence of Co binding氧在血红蛋白其余位置上的键合力被一氧化碳所改变。They must unite to h

U.S. firemen completed a rescue with a difference last week - by saving four trapped hamsters using tiny oxygen masks.上周美国消防队员执行了一次与众不同的救援用氧气面罩拯救4只被困的仓鼠。The stricken pets were caught in