Callus
01
老茧, 硬皮
an area of skin that has turned hard and rough by being constantly exposed to friction
例子
His hands bore calluses from years of playing the guitar.
多年弹吉他让他的手上长出了老茧。
02
a localized thickening of plant tissue, often appearing as a stiff or hardened protuberance
例子
Botanists examined the callus on the flower to identify the species.
03
bony tissue that forms at the site of a fractured bone during the healing process
例子
The doctor explained that a strong callus indicates proper bone healing.
to callus
01
to form a localized thickening of tissue
例子
The gardener noticed that the cut edges of the leaf had started to callus.
02
to cause a callus to form on a plant or plant tissue
例子
Callus the stem tips before inserting them into the soil.
