坚硬

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

船体的外表面非。

He breaks up strong ground with a pick.

他用镐刨开的地面。

Hot steel is quenched to harden it.

烧热的钢放入水中骤冷使之。

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

为了修建这条隧道, 我们必须凿开的岩石。

These are useful in hard rock mining where high brisance, high shattering effects, are desired.

这种炸药，对需要高威力、高破碎效应的岩石矿，是有用的。

The substance is hard and granular.

该物质地, 呈颗粒状。

These shotty nodes are usually firm, not fixed, and are less than a centimeter in diameter.

这些似弹丸，不固定，直径小于1厘米。

The profile of the old warrior was characterized by a strong jaw and an aquiline nose.

老战士侧面像的特征是一个的下巴和一个鹰钩鼻。

Drupe (pyrenocarp) A fleshy indehiscent fruit containing one or more seeds each surrounded by a hard stony wall, the endocarp.

核果（子囊壳）：是一种肉质闭果，其内包含一枚或多枚种子，并且每粒种子包被着的壁，即内果皮。

If the underground eluvium is thick enough, the hard portion of it can be used as support layer of stake ends.

而厚度较大的地下残积土部分可作为桩端持力层。

During normal play, there are six players, including one goaltender, per side on the ice, each of whom is on ice skates.

每名队员都配备一支带杆刃的冰球杆来控制场上唯一的一个小而的扁平黑色圆盘形球，它被叫作冰球。