
occlusive
词源
源自拉丁语 'occlus-'(过去分词词干,意为'关闭'),通过法语 'occlusif' 进入英语,词尾 '-ive' 表示形容词属性。
adjective
❶ 指物体或物质能够阻挡或封闭通道,防止空气、液体等通过。常用于医学或化学领域描述密封性。
“The doctor used an occlusive dressing to protect the wound from infection.”
(医生使用封闭性敷料保护伤口免受感染。)
“This cream has an occlusive effect that locks moisture into the skin.”
(这款面霜具有封闭效果,能将水分锁在皮肤里。)
noun
❶ 在语音学中指通过完全阻塞气流发出的辅音,如/p/、/t/等爆破音。
“The sounds /p/ and /b/ are both occlusives in English.”
(/p/和/b/音在英语中都属于闭塞音。)
“Linguists study how occlusives are articulated in different languages.”
(语言学家研究闭塞音在不同语言中的发音方式。)
常见短语
occlusive dressing — 医学专用敷料,通过完全覆盖伤口形成物理屏障,防止细菌侵入和水分流失。
“After surgery, the nurse applied an occlusive dressing to the incision site.”
(手术后,护士在切口处贴了封闭敷料。)
occlusive effect — 指护肤品形成的保护膜,通过减少水分蒸发来保持皮肤湿润的特性。
“Petroleum jelly creates an occlusive effect that helps heal dry skin.”
(凡士林产生的封闭效果有助于治愈干燥皮肤。)