cu medical professional places cotton swab with test sample into medical test tube, screws on lid - 棉花棒 個影片檔及 b 捲影像00:11美國, 醫學樣本
close-up of the criminologists hands in protective gloves, opening and closing a test tube with a cotton swab at the crime scene - 棉花棒 個影片檔及 b 捲影像00:29犯罪現場
4k video footage of a young woman applying product to her face using a cotton round - 棉花棒 個影片檔及 b 捲影像00:10
young girl wearing protective face mask gets tested for covid-19 at medical clinic - 棉花棒 個影片檔及 b 捲影像00:22
hard-working nurse tests young woman for covid-19 using cotton swab in medical clinic - 棉花棒 個影片檔及 b 捲影像00:36體檢
a criminologist, taking a blood sample from the floor at the crime scene, only his hand in protective glove is in the frame in close-up - 棉花棒 個影片檔及 b 捲影像00:16犯罪現場
young nurse in medical clinic tests cooperative girl for covid-19 using a cotton swab - 棉花棒 個影片檔及 b 捲影像00:11
female doctor takes a swab from patient's mouth, patient is wearing blue disposable medical gown, close up - 棉花棒 個影片檔及 b 捲影像00:13
a close-up of a mother gently cleaning her newborn baby's mouth with a cotton swab, showing tender care and hygiene practices. - 棉花棒 個影片檔及 b 捲影像00:07
parents putting their newborn baby’s cloth on, and cleaning the baby’s navel with a cotton swab - 棉花棒 個影片檔及 b 捲影像00:19
asian girl, who gets sick and has a high fever, does nasal swabs from a doctor at home. illness girl stays with her mom with a medical condition and family wellness. - 棉花棒 個影片檔及 b 捲影像00:12
young female criminologist in protective suit takes a blood sample from the shooting camera glass. breaking the fourth wall effect - 棉花棒 個影片檔及 b 捲影像00:19犯罪現場, 犯罪
profile view of a large mosquito resting on a synthetic surface in a laboratory as other mosquitoes fly around it, uk. - 棉花棒 個影片檔及 b 捲影像00:27蚊子
forensic scientist taking a dna sample from a pistol on the floor with a cotton swab - 棉花棒 個影片檔及 b 捲影像00:08
