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IELTS BNC: 3251 COCA: 3523

B2 a measured amount of something such as medicine一剂

a high/low dose大/小剂量
a dose of penicillin一剂青霉素
The label says to take one dose three times a day.标签上写着每次一剂,每日三次。
20 or 30 of these pills would be a lethal dose (= enough to kill you).二三十粒这样的药丸就会达到致命剂量。

B2 an amount or experience of something, often something bad or unpleasant一些(糟糕或不愉快的事)

The government received a hefty dose of bad news this week.本周政府得到了许多坏消息。
UK She's got a nasty dose of flu.她得了严重的流感。

UK slang a case of gonorrhoea (= a disease of the sexual organs)淋病

More examples

It is dangerous to take more than the recommended dose of this medicine.

The correct dose is one spoonful three times a day.

to give someone a measured amount of medicine给…开药;给…用药

informal He dosed himself (up) with valium to calm his nerves.他服了镇静药来缓解神经紧张。

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