• She fell back to Earth, but the steel-spring bustle just bounced her back up as high as before.

    VOA: special.2009.11.28

  • The spring is getting squashed because you are pushing down and the floor is pushing up.

    弹簧现在被压缩了,因为你在往下压,地面在往上推

    耶鲁公开课 - 基础物理课程节选

  • It means, when you are accelerating upwards, as the elevator picks up speed, the reading on the spring will be more and you will feel heavy.

    也就是说当你向上做加速运动时,就像电梯加速的时候,弹簧的读数会增大,你会觉得自己变重了

    耶鲁公开课 - 基础物理课程节选

  • There,on Easter morning, people walk up and down Fifth Avenue after church services to enjoy the spring weather.

    VOA: special.2009.12.20

  • He said, take a spring to outer space and we'll hook up some objects to them and see how fast they move and do a comparison.

    他说,把一个弹簧带到外太空,往上面挂物体,看看它们运动的快慢,并进行对比

    耶鲁公开课 - 基础物理课程节选

  • When the snow melted that spring, every stream became an angry river that raced down the mountains tearing up trees and bringing destruction.

    VOA: special.2009.06.06

  • You are pushing down with the weight mg, and the floor has got to be pushing up with the mg, because the spring is not going anywhere.

    你向下的作用力是重力 mg,然后地面向上的支持力也是 mg,因为弹簧现在根本没动

    耶鲁公开课 - 基础物理课程节选

  • That means early signs of economic recovery, like the way plants begin to shoot up from the ground as a sign of spring.

    VOA: special.2009.05.08

  • Trail drives usually began with the spring "round-up."

    VOA: special.2010.03.18

$firstVoiceSent
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