
好词典

源自古北欧语 skabb(意为疥癣),与古英语 sceabb同源,最终源自原始日耳曼语skab-(抓挠相关)。
❶ 伤口愈合时表面形成的硬痂,由干涸的血浆和皮肤组织构成,用于保护新生皮肤。
“Don't pick at the scab or your cut will take longer to heal.”
(别抠结痂,否则伤口愈合会更慢。)
“A brown scab had formed over the graze on his knee.”
(他膝盖擦伤处结了一层棕色的痂。)
❶ 植物病害导致的局部痂状病变,常见于果实或叶片表面。
“Apple scab causes dark, scaly patches on the fruit.”
(苹果黑星病会使果实表面出现深色鳞状斑块。)
“The pear tree was treated to prevent scab infection.”
(这棵梨树经过处理以防黑星病感染。)
❶ 伤口结痂的过程,指血液和体液在表面凝固形成保护层。
“The wound began to scab over after three days.”
(伤口三天后开始结痂。)
“His burns were scabbing but still looked painful.”
(他的烧伤正在结痂,但看起来仍很疼。)
scab labor — 指罢工期间受雇顶替罢工者的工人,带有贬义,暗示破坏集体行动。
“The union members refused to work alongside scab laborers.”
(工会成员拒绝与顶替罢工的工人一起工作。)