Prime Minister Silvio Berlusconi on Sunday declared the emergency phase over but said it would be months before most of the people displaced will know if they can go back to their homes.
VOA: standard.2009.04.12
Or being a professor is a phase you can go through and then cease to be.
或者像作为教授是一段时间后会停止的。
Does stuff change phase to go from liquid to solid and so forth, right?
物质是否从液体转变为固体,相变到底在什么位置出现?
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