
callus
词源
源自拉丁语 'callum',意为'硬皮'或'厚皮肤',最早记录于16世纪。
noun
❶ 皮肤因长期摩擦或压力而变厚的硬皮,常见于手部或脚部。
“Guitar players often develop calluses on their fingertips.”
(吉他手的指尖常会磨出老茧。)
“Her calluses showed how hard she worked in the garden.”
(她手上的老茧说明她在花园里干了很多活。)
❶ 植物受伤后在伤口处形成的硬质组织,用于保护伤口。
“The tree formed a callus over the pruning cut.”
(树木在修剪处形成了愈伤组织。)
“Grafting success depends on callus formation.”
(嫁接成功与否取决于愈伤组织的形成。)
verb
❶ 使皮肤变硬形成老茧,或使植物形成愈伤组织。
“Years of manual labor had callused his hands.”
(多年的体力劳动使他的双手长满老茧。)
“The plant callused over the wound within weeks.”
(几周内植物就在伤口处形成了愈伤组织。)
常见短语
form a callus — 指皮肤或植物形成保护性的硬质组织的过程。
“After the surgery, the bone began to form a callus.”
(手术后,骨头开始形成愈伤组织。)
callus formation — 特指医学或植物学中愈伤组织形成的过程。
“Callus formation is an important stage in bone healing.”
(愈伤组织形成是骨骼愈合的重要阶段。)