Word · Frequency #24580
swab
药签；拭子
核心释义
常指医用棉签/拭子。
a small piece of cotton used to apply medicine, clean a wound, or collect a sample
- 1.
一小块柔软的吸收性材料(如纱布),用于清洁伤口、涂药或采集体液样本,常附于棒或线上以利操作。
A small piece of soft, absorbent material, such as gauze, used to clean wounds, apply medicine, or take samples of body fluids. Often attached to a stick or wire to aid access.
- 2.
由一小块棉花组成的工具,用于涂药、清洁伤口或获取分泌物样本
implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a specimen of a secretion
- 3.
用拭子(吸收材料)采集的样本。
A sample taken with a swab (piece of absorbent material).
- 4.
由吸水材料固定在手柄上的清洁工具,用于清洁地板
cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
- 5.
用于清洁或采样其他物品(如乐器或枪支)的材料。
A piece of material used for cleaning or sampling other items like musical instruments or guns.
- 6.
拖把,尤指船上的拖把。
A mop, especially on a ship.
一小块柔软的吸收性材料(如纱布),用于清洁伤口、涂药或采集体液样本,常附于棒或线上以利操作。；由一小块棉花组成的工具,用于涂药、清洁伤口或获取分泌物样本；用拭子(吸收材料)采集的样本。；由吸水材料固定在手柄上的清洁工具,用于清洁地板；用于清洁或采样其他物品(如乐器或枪支)的材料。
用法In use
The nurse wiped the child's arm with an alcohol swab before the injection.
用法提示：此处 swab 作名词，指“酒精棉签”，在 with 介词短语中作宾语。
Please use this sterile swab to clean the wound gently.
用法提示：此处 swab 作名词，指“无菌棉签”，作 use 的宾语。
The lab technician sealed the swab in a plastic tube and sent it for testing.
用法提示：此处 swab 作名词，指用于采集样本的“拭子”，作 sealed 的宾语。
swab sth (with sth)
动词用法：swab 作及物动词，表示擦洗、拭抹；with 后接所用的工具或消毒剂。
The nurse swabbed the wound with alcohol.
护士用酒精擦拭伤口。
take a swab (from sb/sth)
名词用法：swab 作可数名词，指药签、拭子；take a swab 是常见搭配，表示用拭子采集样本。
相关词与表达Connections
搭配Collocations
- cotton swab
- 棉签
- Use a cotton swab to clean the wound.用棉签清洁伤口。
- nasal swab
- 鼻拭子
- The nurse took a nasal swab for the test.护士用鼻拭子取样检测。
- throat swab
- 咽喉拭子
- A throat swab is often used to diagnose strep throat.咽喉拭子常用于诊断链球菌性咽喉炎。
- swab test
- 拭子检测
- The doctor ordered a swab test to check for the infection.医生安排了拭子检测来检查感染。
- swab sample
- 拭子样本
学习提示Learner notes
记忆技巧Memory Tip
联想记忆：swab 的 sw- 同 scrub（擦洗）的 sw-，想象棉签在伤口上轻轻一抹。
语境与语域Context & Register
语域：mixed 常见场景：medical、laboratory、first aid swab 通常指医用棉签或采样拭子，多用于医疗、实验室等专业场景；日常口语中更常说 cotton swab 或 Q-tip。
发音与拼写Pronunciation & Spelling
rob、job、mob、sob 与 swab 押韵（美式音 /ɑb/）；cab、lab 拼写以 ab 结尾，但读 /æb/，不押韵。
一起学习词形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.