好词典

callus

UK //ˈkæləs//US //ˈkæləs//

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。)

同义词:hard skin, corn, thickening, keratosis

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。)

同义词:harden, thicken, toughen

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。)