口交
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。
I want to turn loose my hold on everything, and go sailing down,down, just like one of those poor,tired leaves."
VOA : special.2009.08.01
You can go down on, down to Kensington Palace.
你可以一直往下走，往下走到肯辛顿宫。
SpeakingMax英语口语达人 : 《诺丁山》拍摄地点
if you've got a hill or valley and there's a cart on wheels it's going to go down to the bottom.
如果我们有一座山或者山谷，并且,有一个有轮子的车，这辆车会自动滑到底部。
热力学与动力学课程节选 : 麻省理工公开课
The pistons go up and down as a person stands on lever devices treadles and uses a natural walking motion.
VOA : special.2009.08.17
He learned to get light to go far enough down a glass fiber to pass on signals.
VOA : special.2009.12.08
The real deal will go down on a day that really stands for people power: November 6th.
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When a stock does not go down on bad news, it usually means that a stock has bottomed.
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She heard a gunshot and, looking out the back window, saw one of the mules go down on its knees.