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overactivity的音标：overactivity的英式发音音标为：['əʊvəræk'tɪvɪtɪ]overactivity的美式发音音标为：['oʊvəræk'tɪvɪtɪ]...

Overactivity of the sebaceous glands causes the skin to become oily.脂肪腺的过度分泌导致皮肤油质化.The panic symptoms are caused by overactivity of the body's normal fear response.惊恐症状由身体正常恐惧反应机能的过度活跃引发....