scan
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US
Paraphrase
分析词义
"Scan" 是一个英语单词,作为动词,主要有三个意思:1)仔细查看,扫视;2)扫描(如使用扫描器);3)(计算机)扫描(如防**软件扫描电脑)。还可以作为名词,指扫描过程或结果。
列举例句
词根分析
"Scan" 来自于拉丁词根"scandere",意为"爬",这在文字逐行扫描中的行进意义中可以看出。
词缀分析
单词 "scan"无前缀或后缀,但可以添加 "-ner" 变为 "scanner"(扫描器)。
发展历史和文化背景
"Scan" 最早在14世纪的英语中,表示“仔细阅读,逐行浏览”,后来演变为做精密检查或测量的意思,今天,在科技领域有广泛应用。
单词变形
- 名词形式为 "scan"(扫描);
- 第三人称单数形式为 "scans"(扫描);
- 过去式和过去分词形式为 "scanned"(扫描过);
- 现在分词形式为 "scanning"(正在扫描)。
记忆辅助
你可以把 "scan" 与扫描机(scanner)联系起来,记住它的意思。另外,记住它的过去式和现在分词,和大多数英语动词规则一样,只需要在词尾添加 "-ed" 和 "-ing" 即可。
小故事
"Mike quickly scanned the crowd, looking for his friend. Success! He found him and waved excitedly."
"迈克快速扫视了一下人群,寻找他的朋友。成功了!他找到了他,兴奋地挥手。"
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