词汇	leapfrog cascade
释义	leapfrog cascade 跳阶级联
随便看	Check the tyre pressure on the dial Check the tyre pressure regularly Check the unhealthy/evil tendency Check the wheel rim damaged check the wind and fix the shifting sand Check the YYYY format date check this out check throat check through check through the files check through to check ticket check time check timer check to bearer check to be drawn in favor of somebody check to ensure that the check token check to order Check to see if they have done the work check total check track check trading check traffic with computerized devices check transit number