词典释义：
an opening in the wall or roof of a building or vehicle that is fitted with glass in a frame to admit light or air and allow people to see out
窗，窗户，窗口。
a pane of glass filling such an opening
窗玻璃
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thieves smashed a window and took ￡600 .小偷们打破了窗玻璃，偷走了６００英镑。
an opening in a wall or screen through which customers are served in a bank, ticket office, or similar building
（银行、售票处等的）窗口。
a space behind the window of a shop where goods are displayed for sale
（商店的）陈列窗，橱窗
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[as modifier]
beautiful window displays. 漂亮的橱窗陈列品。
a thing resembling such an opening in form or function, in particular
窗状开口，尤指：
a transparent panel on an envelope to show an address
（信封上可显露地址的）透明纸窗。
【计算机】 窗口；视窗。
(
窗口；观察（或学习）的渠道
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television is a window on the world. 电视是了解世界的窗口。
【物理】 大气窗。
an interval or opportunity for action
开展行动的间隙（或时机）
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the parliamentary recess offers a good window for a bid. 议会的休会期提供了一个很好的争取机会。
an interval during which atmospheric and astronomical circumstances are suitable for the launch of a spacecraft
（航天器的）有利发射时机，最佳发射时段，发射窗口。
[mass noun]strips of metal foil dispersed in the air to obstruct radar detection
（干扰雷达用的）金属箔片。[ ORIGIN: military code word.]
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go out （of ）the window informal （of a plan or pattern or behaviour） no longer exist； disappear 〈非正式〉 （计划，模式，行为）不再存在，消失 -
window of opportunity a favourable opportunity for doing something that must be seized immediately if it is not to be missed 有利时机，最佳时机 -
window of vulnerability an opportunity to attack something that is at risk （especially as a cold war claim that America's land-based missiles were easy targets for a Soviet first strike） 脆弱之时（尤指冷战时期，美国的陆基导弹很容易成为苏联首次攻击目标的论点） -
windows of the soul organs of sense, especially the eyes 心灵之窗（尤指眼睛）
"Middle English： from Old Norse
