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

为了修建这条隧道, 我们必须凿开坚的。

He breaks up strong ground with a pick.

他用镐刨开坚的地面。

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

这炸药，对需要高威力、高破碎效应的坚矿，是有用的。

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个坚的下巴和个鹰钩鼻。

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）：是肉质闭果，其内包含或子，并且每粒子包被着坚的壁，即内果皮。

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

每名队员都配备支带杆刃的冰球杆来控制场上唯的个小而坚的扁平黑色圆盘形球，它被叫作冰球。