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N-COUNT
（药物等的）过量；致死（或中毒）剂量
If someone takes an overdose of a drug, they take more of it than is safe.
例句
Each year, one in 100 girls aged 15-19 takes an overdose...
每年，每100名15至19岁的少女中就有1位嗑药过量。
In 1970, guitarist Jimi Hendrix died of a drug overdose.
1970年，吉他手吉米·亨德里克斯因服药过量而死亡。
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VERB
过量服用（药物）；过量吸食（毒品）
If someone overdoses on a drug, they take more of it than is safe.
例句
He'd overdosed on heroin...
他曾过量吸食海洛因。
Medical opinion varies on how many tablets it takes to overdose.
医生对于服用多少药片算作过量意见不一。
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N-COUNT
（尤指有害物的）过量，过多
You can refer to too much of something, especially something harmful, as an overdose.
例句
An overdose of sun, sea, sand and chlorine can give lighter hair a green tinge.
过量接触阳光、海水、沙粒和氯气会使浅色头发略呈绿色。
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VERB
过多拥有；沉溺
You can say that someone overdoses on something if they have or do too much of it.
例句
The city, he concluded, had overdosed on design.
他的结论是这座城市过分重视规划设计了。
...tourists that tend to overdose on the regional specialities of goose, duck and Armagnac.
纵情享受鹅肉、鸭肉、阿马尼亚克酒等当地美食的游客