坚硬

The outer surface of ship's hull is very hard.

船体的外表面非常坚硬.

The jelly firmed quickly.

果冻迅速坚硬起来.

The substance is hard and granular.

该物质地坚硬,呈颗粒状.

He breaks up strong ground with a pick.

他用镐刨开坚硬的地面.

To build this tunnel we had to cut through the solid rock.

为了修建这条隧道,我们必须凿开坚硬的岩石.

The substance polymerizes to form a hard plastic.

这种物质聚合形成坚硬的塑料。

Hot steel is quenched to harden it.

烧热的钢放入水中骤冷使之坚硬.

The fossils at Dinosaur Cove are embedded in hard sandstones.

恐龙峡谷中的化石都嵌在坚硬的砂岩中。

The rock here was as hard as flint.

这里的岩石像燧石一样坚硬.

The soil is firming up now that the weather is drier.

天气干燥了,土壤也变得坚硬起来.

Choose a soft, medium or firm mattress to suit their individual needs.

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。

The soil was very hard and as dry as a bone.

这土壤非常坚硬,干透了.

The floor was earth but hard and smooth.

虽然是泥地,倒也坚硬平坦.

We just need a tent supported on a rigid framework.

我们正需要一座有坚硬架子支撑的帐篷.

During the dry season the land is rock hard.

土地在旱季会非常坚硬。