1. injection的解释

1. It''s time for another injection.
    又该打针了。

2. Many scholars were annoyed by his injection of politics into academic discussions.
    他把政治引进学术讨论中，使很多学者感到恼火。

3. The doctor prescribed three injections.
    医生开了三支注射液的处方。

1. injection的近义词

1. 注射剂：注射剂(injection)系指药物制成的供注入体内的无菌溶液(包括乳浊液和混悬液)以及供临用前配成溶液或混悬液的无菌粉末或浓溶液. 口服液是指在某种或多种植物中提取的精华,和液体融合的液制剂. 在特定的设备中按特定的工艺将糖料或其它能成膜的材料涂覆在药物固体制剂...

1. 注射;打针
    If you have an injection, a doctor or nurse puts a medicine into your body using a device with a needle called a syringe.

    e.g. They gave me an injection to help me sleep...
           他们给我打了一针帮助我入睡。
    e.g. It has to be given by injection, usually twice daily.
           它必须通过注射摄入,通常一天两次。

2. (金钱或资源的)投入
    An injection of money or resources into an organization is the act of providing it with more money or resources, to help it become more efficient or profitable.

    e.g. An injection of cash is needed to fund some of these projects...
           需要现金投入来资助这其中的一些项目。
    e.g. The company is hoping to obtain a £50 million cash injection from the government.
           公司希望从政府那里得到5,000万英镑的现金投入。

1. the forceful insertion of a substance under pressure

2. the act of putting a liquid into the body by means of a syringe

    e.g. the nurse gave him a flu shot

    Synonym: shot

3. any solution that is injected (as into the skin)

    Synonym: injectant