时间: 2025-04-24 17:29:49
美: [flæg]
英: [flæg]
vi. 标记；衰退；枯萎
vt. 标记；插旗
n. 标志；旗子
最后更新时间:2025-04-24 17:29:49
词源分析：Flag源自古英语“flægg”，可能与古挪威语“flagg”相关，意指“飘动的物体”。它没有前缀和后缀，基本上是一个单根词。
历史背景：Flag一词的首次使用可追溯至十世纪，常用于军事和航海的语境中。
课本：
正式与非正式语境：
特殊场合：
The national flag is a symbol of our country.
国旗是我们国家的象征。
He waved the flag to show his support for the team.
他挥动旗帜以表示对球队的支持。
The company raised a flag to indicate a new policy.
公司升起旗帜以表明新政策。
In programming, a flag can indicate whether a condition is true.
在编程中，标志可以指示一个条件是否为真。
The protestors carried flags as they marched down the street.
抗议者在街上游行时举着旗帜。
同义词：
反义词：
通过以上分析，您可以更全面地理解和使用“flag”这个单词。
[N-COUNT] A flag is a piece of cloth which can be attached to a pole and which is used as a sign, signal, or symbol of something, especially of a particular country. 旗帜
例：The Marines climbed to the roof of the embassy building to raise the American flag.海军陆战队士兵爬上使馆大楼的楼顶去升美国国旗。
[N-COUNT] Journalists sometimes refer to the flag of a particular country or organization as a way of referring to the country or organization itself and its values or power. 国家或组织 (新闻用语)
例：Every person who serves under the American flag will answer to his or her own superiors and to military law.每一个在美军服役的人都必须服从自己的上级和军法。
[V-I] If you flag or if your spirits flag, you begin to lose enthusiasm or energy. (热情、精力等) 衰退
例：His enthusiasm was in no way flagging.他的热情丝毫没有减退。