好词典

canker

UK //ˈkæŋkə(r)//US //ˈkæŋkər//

词源

源自拉丁语 'cancer'(螃蟹,后引申为恶性溃疡),通过古法语 'chancre' 进入英语,原意与螃蟹钳子的侵蚀动作相关。

noun

❶ 指植物上由真菌或细菌引起的溃疡或腐烂病斑,表现为局部组织坏死和溃烂。

“The apple tree was infected with canker, causing its branches to wither.”

(苹果树感染了溃疡病,导致枝条枯萎。)

“Gardeners often prune canker-affected parts to prevent the disease from spreading.”

(园丁通常会修剪受溃疡病影响的部分以防止疾病蔓延。)

❶ 比喻逐渐侵蚀或破坏美好事物的有害影响,常用于描述道德或社会层面的腐败现象。

“Corruption is a canker that eats away at the foundations of society.”

(腐败是侵蚀社会基础的毒瘤。)

“Prejudice acts like a canker in the heart of the community.”

(偏见如同社区心脏中的溃烂伤口。)

同义词:blight, rot, ulcer, cancer, corruption

verb

❶ 指疾病或腐败因素逐渐侵蚀破坏某物,使其变质或衰败。

“Rust cankered the iron gate over the years.”

(多年来锈蚀逐渐腐蚀了铁门。)

“Envy cankered his once generous spirit.”

(嫉妒腐蚀了他曾经慷慨的精神。)

同义词:corrode, erode, decay, deteriorate, sap

常见短语

canker sore — 口腔内常见的小溃疡,呈圆形或椭圆形,表面发白,周围红肿,进食时会产生刺痛感。

“She couldn't eat spicy food because of a painful canker sore on her tongue.”

(由于舌头上有个疼痛的口腔溃疡,她不能吃辛辣食物。)