1. He has callouses on his hands from years of manual work.
他因多年体力劳动而手上长了茧。

2. The athlete developed callouses on his feet from training.
这名运动员因训练脚上长了茧。

3. Callouses can form when the skin is exposed to repeated friction.
当皮肤反复受到摩擦时会形成茧。

4. She treated her callouses with a special cream.
她用一种特殊药膏处理手上的茧。

A: Do you have callouses after playing guitar?
A：你弹吉他后手上有茧吗？

B: Yes, my fingers developed callouses quickly.
B：是的，我的手指很快就长出了茧。

1) 皮肤因摩擦或压力形成的硬化层

2) 常见于手部或足部的保护性增厚组织

3) 长期重复动作导致的皮肤变化

1. 茧；老茧（皮肤因摩擦变硬）

e.g. He has callouses on his palms from lifting weights.
他因举重而手掌长了茧。

2. 角质增厚层；硬化皮肤

e.g. Callouses form as a natural response to pressure.
茧是对压力的一种自然反应。

noun

1. Hardened areas of skin that form due to repeated friction or pressure.

Synonym: callus, thickened skin