Hence ice is less dense than water, so it floats.
因此,冰的密度小于水的密度,所以冰能浮在水上。
"We now know that there is relatively warm water beneath this floating ice," observed Dr Dutrieux, "so this warm water could have been able to melt the base of the ice shelf."
“我们现在知道,这块浮冰下面水温相对较高,”杜特·里奥博士观察评论说,“所以这些温暖海水可能会融化冰架的底部。”
The dye extracted from the indigo is bluer than the plant; so is the ice colder than the water.
青取之于蓝,而青于蓝;冰,水为之,而寒于冰。
I've been teaching long enough to know that doing derivations in class is equivalent to pouring ice water on the proceedings, so I do this sparingly.
我已经教了这么长时间书,所以我知道在课堂上讲推导,就好像泼冰水一样,所以我在讲这个的时候很小心。
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。
You're going to have to know when you describe the system, if your system is homogeneous, like your coffee with milk in it, or heterogeneous like water with an ice cube in it So heterogeneous means that you've got different phases in your system.
你要知道,当你描述一个系统时,你的系统是均匀的呢,像掺了牛奶的咖啡,那样还是非均匀的,像放了冰块的水,非均匀系统就是说,在你的系统中有不同的相存在。
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