sturdinesses

The sturdiness of the wooden chair surprised everyone.

用法提示：sturdiness 是名词，作主语，表示‘坚固、结实’的特性。

We bought the shelf because of its sturdiness.

用法提示：sturdiness 作介词宾语，强调‘结实耐用’的性质。

He measured the sturdiness of the ice before walking on it.

用法提示：sturdiness 作动词宾语，指‘牢固程度’这一属性。