a retrograde step后退的一步The motion of the particle is retrograde.质点运动是衰减的.The Prime Minister described transferring education to central government funding as 'a retrograde step'.首相称将教育投入转由中央政府拨款是“一种倒退”。Infection...
There are only two tins of powdered milk left.就剩下两听奶粉了。Put some tins on top to weight it down.在顶部放些罐子来压住它。The tins had to be kept away from dampness.罐头应该防止受潮。...