go down on
英 美
You can go down on to Holland Park Avenue.
你可以沿着荷兰公园大道下行。
I had to go down on the floor to clean the room.
为打扫房间我只好跪在地板上。
She could soon stand up on her back legs, go down on her front legs and even lie down and roll over.
她可以很快在她的后腿上站起来，在她的前腿上下来并且甚至结束躺下而且卷。
