By是什么意思
"By" 是一個英語介詞,它有多種含義和用法。以下是一些常見的意思和用法:
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表示方式、手段或方法:
- "We traveled by car." (我們乘汽車旅行。)
- "You can contact me by email." (你可以通過電子郵件聯繫我。)
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表示時間,通常用於過去時,意味著「在......之前」或「到......為止」:
- "The shop closes by 9 o'clock." (商店在9點前關閉。)
- "I had finished my homework by 8 p.m." (我已經在晚上8點前完成了作業。)
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表示接近某地:
- "The bank is by the post office." (銀行在郵局旁邊。)
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表示在某個時間點或時期內發生:
- "She will have finished her project by next week." (她將在下周前完成她的項目。)
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表示在......之後:
- "By the time we arrived, the concert had already started." (我們到達時,音樂會已經開始了。)
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表示由、從、在......之下:
- "The book was written by a famous author." (這本書是由一位著名作家寫的。)
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表示支持或贊同:
- "Are you by any chance with the opposition?" (你有沒有可能支持反對派?)
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表示數量,通常用於減少或增加:
- "The price has been reduced by 20%." (價格已經降低了20%。)
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表示不遲於某個時間點:
- "Please submit your assignments by Friday." (請在星期五前提交你的作業。)
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表示通過某種行為或行動:
- "She earned a lot of money by selling her paintings." (她通過賣畫賺了很多錢。)
"By" 還可以與其他詞搭配使用,例如 "bye" 是 "by" 和 "bye" 的縮寫,意思是再見。"By-law" 是指地方政府或組織制定的法規。"Bystander" 是指旁觀者。