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The greatest occurrence of coronary heart disease is in those over 65.65岁以上者是冠心病的最高发人群。For months at a time, air raids were a nightly occurrence.一度有几个月,每天晚上都会发生空袭。The occurrence of the disease is apparently related to st...
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v.发生(occur 的过去分词)...
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Hardseedness is a naturally occurring phenomenon for many plants, especially leguminous species.摘要硬实是植物中普遍存在的现象.Objective To assess the EKG occurring in acute barium poisoning.目的探讨急性钡中毒时心电图异常的临床意义.RESULTS: The serum albu...
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occurred的音标:occurred的英式发音音标为:[ə'kɜ:d]occurred的美式发音音标为:[ə'kɜd]...
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occurrences的音标:occurrences的英式发音音标为:[ə'kʌrənsɪz]occurrences的美式发音音标为:[ə'kʌrənsɪz]...
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occur的第三人称单数(三单)为:occurs...