程序语言中的设计模式——访问者(visitor)模式作用于某个对象群中各个对象的操作. 它可以使你在不改变这些对象本身的情况下,定义作用于这些对象的新操作.
visitor
- n. 访问者，参观者；（网站的）浏览者；客队队员（visitors）；候鸟；<英>（大学或其他学术机构的）督察员
[ 复数 visitors ]
柯林斯英汉双解大词典
visitor /ˈvɪzɪtə/ CET4 TEM4
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1.
N-COUNT A visitor is someone who is visiting a person or place. 访问者
例：The other day we had some visitors from Switzerland.
前几天我们接待了一些瑞士的来访者。
双语例句原声例句权威例句
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我没有预期会有访客。
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"You must be Emma," said the visitor.
“你一定是埃玛,”来访者说道。
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Reception just rang through to say my visitor has arrived.
服务台刚刚打电话来说我的客人到了。
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So you feel like you are a guest in a home instead of a visitor in a huge, impersonal museum.
VOA: special.2009.01.11
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He was here at Yale as a visitor in the spring for many years.
有很多年的春天他都在耶鲁大学访学。
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The first park to charge a visitor fee was Mount Rainier in the northwestern state of Washington in nineteen hundred and eight.
VOA: special.2009.09.28
词组短语
应用推荐
$firstVoiceSent
- 来自原声例句