Individuals should choose a mattress that is soft, medium, or firm based on their personal preferences.

个人应根据他们个人的喜好挑选柔软、软硬适中或者坚硬的床垫。

金山词霸

In the cove, a fossil of a dinosaur is preserved in the hard sandstone layers.

在这个海湾里，一块恐龙化石保存在坚硬的砂岩层中。

金山词霸

A long-trodden path of hardened earth extends beneath your footsteps.

你脚下延伸着一条经久踩踏的坚硬土径。

金山词霸

The bitterly cold weather had left the ground frozen solid.

刺骨的寒冷天气使地面冻得坚硬。

金山词霸

Trim the tough or woody stems from the asparagus.

剪掉芦笋上坚硬或木质化的茎部。

金山词霸

The concrete will remain as hard as stone.

混凝土将像石头一样坚硬。

金山词霸

The frozen lakes still bear a solid, unblemished crust.

这些结冰的湖泊表面依然保持着坚硬完好的冰层。

金山词霸

Wine vinegar is used to tenderise tough cuts of meat.

酒醋被用来使坚硬的肉块变嫩。

金山词霸

His fingernails became horny, hard, and unnaturally long.

他的指甲变得角质化、坚硬且异常地长。

金山词霸

The ground froze solid into icy layers.

地面冻结成了坚硬的冰层。

金山词霸

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

船体的外表面非常坚硬.

《简明英汉词典》

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.

《简明英汉词典》

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.

《简明英汉词典》

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

这土壤非常坚硬,干透了.

《简明英汉词典》

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.

《简明英汉词典》