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怎么能制小船在水上飘 为什么有的船是铁做的,它却不会沉下海底?
船在水上是用in还是用on 在表示船上有多少复人或物等意制思时,ship 前用介词bai in 或 on 均可,但du以用 on 为普通:How many people were there inon that ship?那条船上有zhi多...
船在水上是用in还是用on 在表示船上有多少复人或物等意制思时,ship 前用介词bai in 或 on 均可,但du以用 on 为普通:How many people were there inon that ship?那条船上有zhi多...