
好词典

来自古英语 'crabba',与荷兰语 'krab' 和德语 'Krabbe' 同源,指螃蟹。作为寄生虫的俚语用法始于20世纪初。
❶ 螃蟹,一种生活在水中、有坚硬外壳和钳子的节肢动物,常见于海洋和淡水环境。
“We caught several crabs while fishing near the shore.”
(我们在岸边钓鱼时抓到了几只螃蟹。)
“Crabs scuttle sideways along the beach.”
(螃蟹沿着海滩横着爬行。)
❶ 阴虱,一种寄生在人体毛发中的小型寄生虫,会引起瘙痒和不适。
“He was diagnosed with crabs after experiencing severe itching.”
(他在经历严重瘙痒后被诊断出患有阴虱。)
“Crabs are usually spread through close personal contact.”
(阴虱通常通过密切的个人接触传播。)
catch crabs — 字面意思是抓到螃蟹,但在俚语中也可指划船时桨划得太深导致效率低下。
“The rower caught a crab and nearly fell out of the boat.”
(划船者桨划得太深,差点从船上掉下去。)