1
inject sth into sth/sb
sth为注射物，sth/sb为注射的目标部位或对象。
The doctor injected the vaccine into the patient's arm.
医生将疫苗注射到病人的手臂里。
注射
injects — third person singular of inject
先理解核心含义，再看它在真实句子里的用法。
注射
give an injection to; force or drive (a fluid or gas) into by piercing
The doctor injected the vaccine into the patient's arm.
医生将疫苗注射到病人的手臂里。
将(某物,尤其是液体)推入或注入腔体或通道
To push or pump (something, especially fluids) into a cavity or passage.
突然或猛烈地引入(某物)
To introduce (something) suddenly or violently.
给(某人或某物)注射,尤其是药物
To administer an injection to (someone or something), especially of medicine or drugs.
通过注射方式服用或被注射某物,尤其是药物
To take or be administered something by means of injection, especially medicine or drugs.
inject
Base
原形
injects
3rd person
第三人称单数
injecting
-ing
现在分词
injected
Past
过去式
injected
Past participle
过去分词
The nurse injects the vaccine.
护士注射疫苗。
He injected the drug yesterday.
他昨天注射了药物。
The doctor has injected the patient.
医生已经给病人注射了。
The doctor is injecting the patient with a vaccine.
医生正在给病人注射疫苗。
He was injected with insulin before the operation.
他在手术前注射了胰岛素。
She has injected a new idea into the discussion.
她在讨论中注入了一个新想法。
sth为注射物，sth/sb为注射的目标部位或对象。
The doctor injected the vaccine into the patient's arm.
医生将疫苗注射到病人的手臂里。
sb为接受注射的人，sth为注射物。
The nurse injected him with a painkiller.
护士给他注射了止痛药。
用于抽象注入，如资金、活力等。
The government plans to inject more money into the economy.
政府计划向经济注入更多资金。
Not this
The doctor injected the medicine to the patient.
Use this
The doctor injected the medicine into the patient.
动词inject后接注射的药物时，应用介词into引出注射对象，而非to。
Not this
The doctor injected the patient the medicine.
Use this
The doctor injected the patient with the medicine.
动词inject不能像give那样接双宾语，应使用介词with引出所注射的药物。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
给某人注射某物
The nurse injected the patient with insulin.
护士给病人注射了胰岛素。
将某物注入某物
They injected a dye into the patient's vein.
他们往病人的静脉里注射了一种染料。
注入资金
The government injected millions of dollars into the economy.
政府向经济注入了数百万美元。
注射毒品
He was caught injecting drugs in the bathroom.
他在浴室注射毒品时被抓住。
注射物质
The scientist injected a chemical substance into the sample.
科学家向样品中注射了一种化学物质。
注入希望
Her speech injected a note of hope into the gloomy meeting.
她的演讲给沉闷的会议注入了希望。
给某事物注入新活力
The new CEO injected new life into the struggling company.
新任首席执行官为这家岌岌可危的公司注入了新的活力。
向某事物注入资金
The government injected billions of dollars into the economy.
政府向经济注入了数十亿美元。
注入某种氛围或情感
Her speech injected a note of optimism into the otherwise gloomy meeting.
她的发言给原本沉闷的会议注入了一丝乐观的气氛。
Use injects naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把“in”想成“进入”，“ject”像“ject（投掷）”，合起来“投入进去”就是注射或注入。
语域：mixed 常见场景：medical、finance/economy 该词既用于医学上的注射，也常用于抽象意义的注入（如资金、活力等），使用场景较广泛，正式和非正式场合均适用。
及物动词，常用结构：inject sth into sth 或 inject sb with sth。
Dictionary facts from ECDICT, WIKTIONARY.