softness

The softness of the high-quality cashmere sweater felt wonderful against her skin.

(Chinese) 高品质羊绒衫的柔软触感让她觉得皮肤非常舒服。

Engineers test the softness of the mattress to ensure it provides enough support for the back.

(Chinese) 工程师们测试床垫的柔软度，以确保它能为背部提供足够的支撑。