n.(医用的)拭子，药签，用拭子对(人体)化验标本的采集
vt.用拭子擦拭，擦洗，擦拭(地板等)

原形：swab第三人称单数：swabs复数：swabs过去式：swabbed过去分词：swabbed现在分词：swabbing

The doctor instructed the nurse to take a throat swab from the patient for testing.
医生指示护士从病人喉咙取样进行检测。
After finishing her shift, the nurse sanitized her hands with an alcohol swab.
护士完成工作后，用酒精棉签清洁双手。
They used a sterile cotton swab to apply ointment on the wound.
他们用无菌棉签将药膏涂在伤口上。
The pet store sells various types of pet grooming tools, including flea and tick swabs.
这家宠物店出售各种宠物美容工具，包括驱蚤和跳蚤的棉签。
The microbiologist carefully collected the sample with a bacterial swab.
微生物学家用细菌棉签仔细采集样本。
Before surgery, the surgeons swabbed the patient's skin to ensure it was clean.
手术前，外科医生用棉签擦拭患者的皮肤以确保其洁净。
A healthcare worker wearing gloves used a swab to collect nasal samples from a child.
戴着手套的医护人员用棉签从孩子鼻腔收集样本。
The patient's saliva sample was taken using a saliva swab for a COVID-19 test.
为进行新冠病毒检测，患者的唾液样本是用唾液棉签采集的。
After a dental procedure, the dentist used a disinfectant swab to clean the patient's mouth.
牙科手术后，牙医用消毒棉签清理患者的口腔。
A home testing kit includes a swab to collect a cheek cell sample for genetic analysis.
家庭测试套装包含用于采集脸颊细胞样本进行基因分析的棉签。