the jumps短语⁵⁷⁴¹¹ 例句 They have a particular interest in the jumps in the level of atmospheric oxygen seen about 2.4 billion years ago and600m years ago. 在24亿年前和60000万前年大气中氧的水平的变化方面，他们有一个特殊的兴趣。 ecocn The horse cleared all the jumps. 那匹马越过了所有的障碍物。 hudong