An airplane is like a teeter-totter.When the pilot moves the nose of the plane up or down, the seats in the extreme front and back are going to move a greater distance.

飞机就好像是一个跷跷板，当飞行员让飞机昂头飞行或者俯冲飞行的时候在最前面和最后面的位置就会有较大幅度的摆动。

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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。

youdao

An airplane is like a teeter-totter. When the pilot moves the nose of the plane up or down the seats in the extreme front and back are going to move a greater distance.

飞机就好像是一个跷跷板，当飞行员让飞机昂头飞行或者俯冲飞行的时候在最前面和最后面的位置就会有较大幅度的摆动。

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Amazingly,in addition to heavy strongboxes and baggage, a Concord stagecoach could carry as many as 18 people, squeezed inside and up top, front and back.

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And it was a remarkable reaction of just patting us on the back, smiling and ushering us up to the front so that we could see it."

VOA: standard.2010.07.26

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