1
an injection of [substance]
表示注射某种物质
The patient needs an injection of insulin.
患者需要注射胰岛素。
注射；打针；注射液
先理解核心含义，再看它在真实句子里的用法。
注射；打针；注射液
the act of putting a liquid into the body with a syringe, or the liquid that is injected
The patient needs an injection of insulin.
患者需要注射胰岛素。
注射的行为或注射物
The act of injecting, or something that is injected.
在压力下强力注入物质
the forceful insertion of a substance under pressure
通过注射制备的标本
A specimen prepared by injection.
注射的溶液(如注入皮肤)
any solution that is injected (as into the skin)
The nurse gave me an injection in my arm before the operation.
护士在手术前给我的手臂打了一针。
The government announced an injection of cash into the small-business sector.
政府宣布向小企业部门注入现金。
The engine uses direct fuel injection to improve efficiency.
这台发动机采用直接燃油喷射以提高效率。
表示注射某种物质
The patient needs an injection of insulin.
患者需要注射胰岛素。
表示施予或接受注射的动作
The nurse gave the child an injection.
护士给孩子打了一针。
说明注射的部位
The doctor administered an injection into the muscle.
医生进行了肌肉注射。
Not this
The doctor injection the patient.
Use this
The doctor injects the patient.
“injection”是名词，不能用作动词；正确的动词形式是“inject”.
Not this
I need injection for my headache.
Use this
I need an injection for my headache.
“injection”是可数名词，需要不定冠词“an”.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
打针，注射
The nurse gave him an injection to reduce the pain.
护士给他打了一针以减轻疼痛。
接受注射
I need to get an injection for the flu vaccine.
我需要打一针流感疫苗。
死刑注射
The prisoner was executed by lethal injection.
囚犯被执行了注射死刑。
注射部位
The injection site may become sore after the vaccination.
注射部位在接种后可能会酸痛。
注塑成型
Injection molding is a common manufacturing process for plastic parts.
注塑成型是塑料零件常见的制造工艺。
燃油喷射
Modern cars use electronic fuel injection for better efficiency.
现代汽车使用电子燃油喷射以提高效率。
资本注入
The company received a capital injection from investors.
公司从投资者那里获得了资本注入。
注入新活力
The new project brought an injection of new life to the team.
新项目给团队注入了新的活力。
资金注入
The government announced an injection of funds into the healthcare system.
政府宣布向医疗体系注入资金。
我要直接往心脏注射4盎司的肾上腺素。
In Pulp Fiction, the character needs an injection of adrenaline to survive a drug overdose.
在《低俗小说》中，角色需要注射肾上腺素来度过药物过量的危机。
通过这次注射，我们会找到解药。
The song 'Injection' by Rise Against uses the word metaphorically to represent hope or change.
Rise Against的歌曲《Injection》用这个词隐喻地代表希望或改变。
Use injection naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象护士把针头“in”进皮肤，像射箭（jection）一样快速注入药水。
中性语域；常见于医疗注射、化学注入及机械燃油喷射等场景。
常见搭配 give/receive an injection；表示“注射剂”或“一次注射”时可数。}}
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.