| 释义 |
shotHFBt, $FB:tn [C] infmlA shot of a drug is the amount of a particular drug, whether medical or illegal, which is put into the body by a single INJECTION (= putting a drug directly into the blood using a special needle).（毒品或药品的）一次注射量She would do anything for a shot of heroin.为了注射一针海洛因，她愿意不惜一切代价。The doctor gave him a shot of morphine.医生给他注射了一剂吗啡。(fig.) The senator's presidential campaign needs to be injected with a shot of professionalism (= It needs to be organized in a more serious and effective way).这位参议员竞选总统需要注入更多的职业作风。A shot in the arm is something which has a sudden and positive effect on something, providing encouragement and new activity.刺激因素，兴奋剂Fresh investment in our major industries would provide the shot in the arm that the nation so badly needs.新近在主要工业部门的投资对我们国家来说真是雪中送炭。
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