Icebergs are parts of glaciers that break off, drift into the water, float about awhile, and finally melt.

冰山是冰川的一部分，从冰川断裂漂流进水中，一段时间后融化。

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And this is why, in rockets and space capsules, weightless astronauts and objects float about in the air.

这就是为什么在火箭和宇宙飞船里，失重的宇航员和物体会在空中漂浮。

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No music to float about to, and no gaming to pass the time, it sounds rather like the whole trip wasn't really worth it to be honest.

没有音乐可以听，也不能玩游戏来打发时间。说实话，这趟太空游听起来真的很不值。

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The plates float about slowly, sometimes crashing into each other, and sometimes moving away from each other.

VOA: special.2010.01.12

When you think about an int or a float or a dictionary or a list, you knew that there were functions that operated on them.

当你想到整型，浮点型，或者链表时,你知道可以用函数去处理他们,但是当你传递一个参数，例如链表。

麻省理工公开课 - 计算机科学及编程导论课程节选

It means anybody using that little function get float doesn't have to worry about what's inside of it. So for example, I decide I want to change the message I print out, I don't have to change the function, I just pass in a different parameter.

这代表着用这个方法去获得浮点数,的任何人都不用担心具体的实现了,例如，如果我想改变下,显示的信息的话，我不必去改变方法，我传个不同的参数就可以了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Various offices in the White House float ideas about tax policy, including the Domestic Policy Council and the Council on Environment Quality.

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FORBES: Pegasus Is De-Listing

The goal is to extract metals, water and compounds that can be used to make spacecraft fuel from the chunks of rock that float within about 50 million kilometers (31 million miles) of Earth.

CNN: 'Fireflies' to scope out space rocks for mining