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      • 開心谷歌詞典
        簡體 繁體

        occur

        O 開頭單詞四級詞匯六級核心詞考研高頻詞考研詞匯專四核心詞專八核心詞高考詞匯詞源字典

        柯林斯詞典

          occur /??k??/ (occurring,occurred,occurs)

        • 1. V-I When something occurs, it happens. 發(fā)生

          If headaches only occur at night, lack of fresh air and oxygen is often the cause. 如果頭痛只發(fā)生在晚上,缺少新鮮空氣和氧氣常常是其原因。

          The crash occurred when the crew shut down the wrong engine. 機(jī)組人員關(guān)錯(cuò)發(fā)動機(jī)后就墜毀了。

        • 2. V-I When something occurs in a particular place, it exists or is present there. (某事物在某地) 出現(xiàn)

          These snails do not occur on low-lying coral islands. 這些蝸牛不會出現(xiàn)在低洼的珊瑚島上。

        • 3. V-I If a thought or idea occurs to you, you suddenly think of it or realize it. (想法、主意在某人腦海中) 突然出現(xiàn)[no passive, no cont]

          It did not occur to me to check my insurance policy. 我沒想到要核對我的保險(xiǎn)單。

        • 返回 occur

        劍橋詞典

          occur verb (HAPPEN)

          [ 不及物動詞:后面不接賓語的動詞 ]
          (especially of accidents and other unexpected events ) to happen
          (尤指事故及其他意外事件)發(fā)生
          An accident involving over ten vehicles has occurred in the east-bound lane . 在東向車道上發(fā)生了一起涉及十多輛汽車的交通事故。
          If any of these symptoms occur while you are taking the medication , consult your doctor immediately . 服藥期間如果產(chǎn)生了這些癥狀中的任何一種,要立即就醫(yī)。

          例句
        • Many suicides occur in prisons .
        • We are of course investigating how an error like this could have occurred.
        • Evolution occurs as a result of adaptation to new environments .
        • Evidence suggests that errors may indeed be occurring.
        • The partition of India occurred in 1948.
        • occur verb (EXIST)

          [ 不及物動詞:后面不接賓語的動詞 后面必須接副詞或介詞的動詞 ]
          to exist or be present in, among, etc.
          存在;出現(xiàn)
          Violence of some type seems to occur in every society . 每個(gè)社會似乎都會存在某種形式的暴力。
          Minerals occur naturally in the earth's crust . 礦物自然存在于地殼中。

          短語動詞

          occur to sb 返回 occur
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