• He closed his speech with the hope that the nation would come out of the war with greater unity than ever before.

    VOA: special.2009.11.12

  • The number of moles stays the same a closed systems, gas doesn't come out.

    摩尔数保持不变,因为是闭系,气体不会跑出去。

    麻省理工公开课 - 热力学与动力学课程节选

  • Important definitions, even though they may sound really kind of dumb, but they are really important, because when you get the problem, figuring out whether you have an open, closed, or isolated system whatare the surroundings?What's the boundary?

    这是很重要的定义,即使它们,听起来确实有点白痴,但它们的确非常重要,因为当你面对一个问题时,首先要搞清楚的就是这是个开系,闭系还是孤立系,什么是它的环境,什么是它的边界?

    麻省理工公开课 - 热力学与动力学课程节选

  • "Johnsy,dear," said Sue, "will you promise me to keep your eyes closed, and not look out the window until I am done working?

    VOA: special.2009.08.01

  • His eyes were closed. The news went out by telegraph to cities and towns across the country.

    VOA: special.2009.12.31

  • The process uses a closed system to keep hair and dirt out of the milk.

    VOA: special.2010.07.20

  • Factories were closed. Hundreds of thousands of people were out of work.

    VOA: special.2009.10.08

  • Sasha Vujacic closed the game out for the Lakers.

    VOA: special.2010.06.25

  • And every night, late at night, I turned the lock of his door and opened it C oh,so gently! And then, when I had made an opening big enough for my head, I put in a dark lantern, all closed that no light shone out, and then I stuck in my head.

    VOA: special.2009.05.16

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