Word · Frequency #20875
scab
痂；疮痂
核心释义
A dry crust that forms over a cut or wound as it heals.
- 1.
伤口、水疱或脓疱愈合时形成的硬痂。
An incrustation over a sore, wound, vesicle, or pustule, formed during healing.
- 2.
罢工期间工作(或提供工人)的人
someone who works (or provides workers) during a strike
- 3.
兽疥癣,尤指绵羊身上的。
The mange, especially when it appears on sheep.
- 4.
愈合皮肤病变的结痂状表面
the crustlike surface of a healing skin lesion
- 5.
马铃薯疮痂病,由链霉菌引起的块茎表面产生凹陷和损伤的病害。
Any of several different diseases of potatoes producing pits and other damage on their surface, caused by streptomyces bacteria (but formerly believed to be caused by a fungus).
- 6.
普通疮痂病,一种相对无害的马铃薯病害,由疮痂链霉菌引起。
Common scab, a relatively harmless variety of scab (potato disease) caused by Streptomyces scabies.
- 7.
多种危害栽培植物的真菌病害之一,形成暗色痂状斑点。
Any one of various more or less destructive fungal diseases that attack cultivated plants, forming dark-colored crustlike spots.
- 8.
铸件表面的轻微不规则突起,由模具部分破损造成。
A slight irregular protuberance which defaces the surface of a casting, caused by the breaking away of a part of the mold.
- 9.
卑鄙、肮脏、微不足道的人。
A mean, dirty, paltry fellow.
工贼；破坏罢工者；（马铃薯）疮痂病；植物疮痂病；（羊）疥癣；（铸件表面的）结疤
用法In use
The union members called the replacement worker a scab.
用法提示：名词scab指在罢工期间工作的人，含贬义
He picked at the scab on his knee, making it bleed again.
用法提示：名词scab指伤口愈合时结的痂
The doctor said not to remove the scab because it protects the wound.
用法提示：名词scab指愈合中的皮肤损伤表面的硬壳
a scab forms over sth
指伤口愈合时结痂，常与 over 或 on 连用。
A scab formed over the cut within a few days.
几天之内，伤口上就结了一层痂。
pick at a scab
pick at 表示反复用手抠、挠某处。
相关词与表达Connections
搭配Collocations
- pick a scab
- 抠痂
- Don't pick a scab even if it itches.即使发痒也不要抠痂。
- scab formation
- 结痂（过程）
- Scab formation is a normal part of wound healing.结痂是伤口愈合的正常过程。
- scab tissue
- 痂组织
- The scab tissue protects the new skin underneath.痂组织保护下面的新皮肤。
- potato scab
- 马铃薯疮痂病
- Potato scab can make the tubers unsightly.马铃薯疮痂病会使块茎不好看。
- scab labor
- 顶替罢工者的人；工贼
学习提示Learner notes
记忆技巧Memory Tip
想象伤口上结了一层硬硬的痂(scab)，像一小块‘壳’，别去抠，等它自己掉。
语境与语域Context & Register
语域：mixed 常见场景：医疗/皮肤护理、劳工/罢工、农业/植物病害 scab 有多个常见含义，语域会随着使用场景明显变化：在医疗或日常中通常指伤口结的痂，属于中性说法；在劳工语境中指破坏罢工者；在农业中指植物疮痂病等，多用于专业讨论。建议结合上下文判断具体含义。
语法说明Grammar Note
可数名词，常指罢工期间工作的人或伤口愈合时的痂。
发音与拼写Pronunciation & Spelling
这些词都以重读的 /æb/ 音结尾，与 scab 押韵：cab、lab、slab、crab、grab、stab。注意拼写以 sc- 开头的相似词未必押韵，如 scan /skæn/、scarf /skɑːrf/。
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.