1.
To furnish(an arch) with a keystone.
用拱顶石装饰（拱顶）
2.
The keystone in the crown of an arch.
拱顶石位于拱顶的塞缝石
3.
The top stone of a structure or wall.
拱顶石，压顶石，顶层石建筑物或墙的最上面一层石头
4.
The trulli are made of roughly worked limestone boulders collected from neighbouring fields.
圆顶石屋是由从附近地区采集来的石灰石石块粗糙堆砌而成的。
5.
The suspended rod may have conducted forces accumulated in the capstone.
悬挂的竿可能传导顶石中累积的力量。
6.
thin layers of rock used for roofing.
用来盖屋顶的薄岩石层。
7.
complete(a building)by adding the highest stone,etc
（用石块等）给（建筑物）封顶.
8.
Marble pillars supported the roof.
大理石柱子支撑着屋顶。
9.
The stone block, known as "self-acting stone, " is a slab to shut the gate from behind.
是顶门石，也就是众所周知的自动石，从门后来顶门。
10.
On its peak stood a magic stone. Through years of cultivation the stone turned into a stone monkey.
山顶有一块仙石,日久天长化作一个石猴。
11.
a cylinder of calcium carbonate hanging from the roof of a limestone cave.
从石灰石洞的顶上悬挂的碳酸钙圆柱体。
12.
at the head of the stone steps arose an archway.
在石阶的顶端出现一道拱门。
13.
A high rock or pile of rocks on the top of a hill.
突岩山顶上高耸的一块或一堆岩石
14.
The top of the rock tapers sharply.
那块岩石的顶端猛然变得异常尖细。
15.
The impact was so great that it had gone through the roof,
碰撞非常剧烈，以致石头穿过车顶，
16.
a flagstone-paved path, some 60 kilometres long, winds up to its top from its foot.
从山麓到山顶有60 公里的石径路。
17.
a very hard small point made from a diamond.
用钻石做的非常坚硬的小尖顶。
18.
tip the arrow with the small stone.
在小石头的顶端作上箭头。