“坚硬”造句

针对他们各人不同的需要挑选柔软、软硬适中或者坚硬的床垫。
Choose a soft, medium or firm mattress to suit their individual needs.

恐龙峡谷中的化石都嵌在坚硬的砂岩中。
The fossils at Dinosaur Cove are embedded in hard sandstones.

土地在旱季会非常坚硬。
During the dry season the land is rock hard.

• #坚硬