A closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.

一个封闭系统可以是，比如说，一杯放了一个冰块的冰水，顶上加了盖子。

youdao

That's all good, but check the video: the bot is making tea by pouring orange pills or something into the cup instead of water and it's picking up a blue "ice cube." This can't be good.

这一切都很棒，但是看看录像：机器人把桔子药片或者其他东西代替水来放进杯子泡茶，它还拿起了一块蓝色的“冰块”，这就有些糟了。

youdao

Change that by placing an ice cube in the center of the rice and then wrapping the top with plastic wrap, with a few punctures of course, before reheating it.

改变一下吧，在米饭中间放一块冰块，然后盖上保鲜膜，当然，加热之前还要在保鲜膜上戳几个孔。

youdao

So a closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.

因此闭系可以是，比如说，一杯放了,一个冰块的冰水，顶上加了盖子。

麻省理工公开课 - 热力学与动力学课程节选

You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.

要知道它是不是平衡的，你还需要知道,你的系统中有多少组分,一杯放了冰块的水，虽然它是个非均匀系统，但它只有一种组分，那就是水。

麻省理工公开课 - 热力学与动力学课程节选

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