• 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

  • The sad friends of Truth in this fable have gone up and down, gathering up Truth limb by limb still as they could find them.


    耶鲁公开课 - 弥尔顿课程节选

  • I think he lives here. I've seen him walk up and down the street a few times.


    演艺人居住的街区 - SpeakingMax英语口语达人

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

    VOA: special.2009.12.20

  • Well, how do you get this hearts to move up and down and seemingly in these random patterns?


    哈佛公开课 - 计算机科学课程节选

  • They sailed up and down the Atlantic Coast and stole anything of value from other ships.

    VOA: special.2011.07.26

  • He was motionless, all but for one finger that moved up and down in front of his face as if he were marking time with it.


    耶鲁公开课 - 1945年后的美国小说课程节选

  • Then he got up, found a long stick and walked up and down the river bank.

    VOA: special.2010.06.26

  • So the Hund's Rule is telling us to put the two electrons in separate orbitals unpaired as opposed to we should not put them in like this, like some librarian might want to fill nicely from left to right, up and down.


    麻省理工公开课 - 固态化学导论课程节选

  • From a cave room you can see far up and down the canyon and imagine what life was like there seven hundred years ago.

    VOA: special.2010.07.05

  • Even though the graph is going up and down, the object is moving from left to right.


    耶鲁公开课 - 基础物理课程节选

  • We continue on our trip, driving on a winding road up and down the Black Mountains.

    VOA: special.2010.08.23

  • It goes up and down depending on the outlook for earnings and maybe other factors.


    耶鲁公开课 - 金融市场课程节选

  • I keep my mind active and coming to school three times a week, and walking up and down the steps, that kept me physically able."

    VOA: special.2010.07.16

  • I move my hands around, my mouth is going up and down, it walks from one part of the stage to the other part of the stage.


    耶鲁公开课 - 死亡课程节选

  • Electromagnetic energy travels almost like an ocean wave - up and down,up and down.

    VOA: special.2010.12.08

  • They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.


    耶鲁公开课 - 生物医学工程探索课程节选

  • A big, heavy man was walking up and down in the hotel lobby.

    VOA: special.2009.01.17

  • It goes up and down depending on the age.


    耶鲁公开课 - 心理学导论课程节选

  • It makes them jump up and down, and sing it with you.

    VOA: special.2010.06.13

  • So this is a little bit trickier to look at and see what it means, but essentially we have two hybrid orbitals, which are shown in blue here, and then we have one p orbital that's left alone that's going up and down on the page.


    麻省理工公开课 - 化学原理课程节选

  • A big,heavy man was walking up and down in the hotel lobby.

    VOA: special.2010.06.12

  • but just to walk up and down like Canal Street, different streets like that,


    推荐购物街 - SpeakingMax英语口语达人

  • Mist can take you on a boat ride up and down the river so you can see the animals as they come to drink or play in the water.

    VOA: special.2009.08.19

  • People jog and bike up and down there.


    我的爱好是读书 - SpeakingMax英语口语达人

  • Ad sales have always gone up and down with the economy.

    VOA: special.2009.03.21

  • At that stage we can merge these, and then take this down, do the division merge and bring them back up.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Voyager's long wings moved up and down as the winds changed.

    VOA: special.2010.10.06

  • For a moment at least, it's almost as if there were a strange moral equivalence between the palaces up there and the palaces down here.


    耶鲁公开课 - 弥尔顿课程节选

  • Half of her he set up and ceiled it as sky, Pulled down the bar and posted guards.


    耶鲁公开课 - 旧约导论课程节选

- 来自原声例句

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