Word
decongestants
减充血剂;解充血药
decongestants is the plural of decongestant.
decongestant
- 1.
A drug that relieves congestion, e.g. pseudoephedrine.
缓解充血的药物,如伪麻黄碱。
缓解充血的药物,如伪麻黄碱。;减轻充血的;减充血剂
In use
I took a decongestant before bed to clear my stuffy nose.
The pharmacist recommended a decongestant for my sinus pressure.
This decongestant helps reduce swelling in the nasal passages.
take a decongestant
decongestant 是可数名词,常用动词 take 表示服药。
She took a decongestant to relieve her stuffy nose.
她服用了减充血剂来缓解鼻塞。
use a decongestant
use 多用于喷鼻剂或药水,口服则多用 take。
You can use a decongestant for a blocked nose.
你可以使用减充血剂来缓解鼻塞。
a decongestant for [symptom]
for 后接要缓解的具体症状。
This decongestant for sinus pressure is very effective.
这种用于缓解鼻窦压力的减充血剂非常有效。
be on decongestants
用复数形式表示正在服用这类药物,be on 表示持续用药状态。
He has been on decongestants for a week.
他已经服用减充血剂一周了。
Common mistakes
I took decongestant for my stuffy nose.I took a decongestant for my stuffy nose.
decongestant 是可数名词,表示“一种减充血剂”;单数形式前需加不定冠词 a(或用复数),不能把它当作不可数名词直接使用。
I need a decongestion, not a painkiller.I need a decongestant, not a painkiller.
decongestion 指“充血减轻”的过程或状态,不指药物;表示“减充血剂”这种药必须用 decongestant。这里需要的是药物名词,所以把 decongestion 改成 decongestant。
Connections
Collocations
- nasal decongestant
- 鼻用减充血剂
- The pharmacist recommended a nasal decongestant for my stuffy nose.药剂师推荐我用鼻用减充血剂来缓解鼻塞。
- decongestant spray
- 减充血喷雾剂
- She used a decongestant spray to clear her blocked sinuses.她用减充血喷雾剂来疏通堵塞的鼻窦。
- decongestant tablets
- 减充血剂药片
- Decongestant tablets can help relieve sinus pressure.减充血剂药片有助于缓解鼻窦压力。
- over-the-counter decongestant
- 非处方减充血剂
- Most over-the-counter decongestants are safe for short-term use.大多数非处方减充血剂短期使用是安全的。
- take a decongestant
- 服用减充血剂
- If your nose stays blocked, take a decongestant after dinner.如果鼻子仍然堵塞,晚饭后服用减充血剂。
Learner notes
Memory Tip
decongestant = de(去除)+congest(堵塞)+ant(剂),想象鼻子堵塞时喷一下,通道就通了。
Context & Register
语域:neutral 常见场景:药店购药、药品说明书、就医咨询 decongestant 是较正式的医药用语,通常出现在药品说明、就医或药房场景中;日常口语较少用,多用于书面或专业沟通。
Pronunciation & Spelling
真正与 decongestant 押韵的是 congestant 和 digestant,三者都以 /ˈdʒɛstənt/ 结尾。Protestant、constant、assistant、resistant 只是拼写相近:-estant/-stant 分别读作 /ɪstənt/ 或 /stənt/,不含 /dʒ/ 音,注意不要混同。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.