1.
a megalithic circle, tomb, etc
巨石建造的圆形石林、 石墓等.
2.
A rock fragment between64 and256 millimeters in diameter, especially one that has been naturally rounded.
圆石子直径由64至256毫米的岩石块，尤指自然形成的圆形石子
3.
Specification for round quartz photomask substrates
GB/T16523-1996圆形石英玻璃光掩模基板规范
4.
A naturally rounded paving stone.
圆石块自然形成的圆形铺路石头
5.
cylindrical machined graphite electrodes
人造石墨圆筒形电极
6.
A sapphire that was cut cabochon.
切削成凸圆形的蓝宝石
7.
Stones were rounded by the action of water.
石头被水冲成了圆形。
8.
Baculites ovatus fauna
杆菊石属卵圆形动物群
9.
A rounded mass of mineral matter found in sedimentary rock.
混凝土发现于沉积岩中的圆形矿石块
10.
The stone was pecked and ground into cylindrical pestles.
石头被凿开并被磨成一根根圆形的杵。
11.
a circular masonry fort for coastal defence.
海岸上防御外敌登陆的圆形小石堡。
12.
Round stepping stone. Use for concrete, exposed aggregate, or wood.
圆形踏脚石。使用混凝土、混凝土石块或木材。
13.
One of a pair of cylindrical stones used in a mill for grinding grain.
磨石磨坊中碾磨谷物用的一对圆柱形石块之一
14.
A small round calcareous grain found, for example, in limestones.
鲕粒岩含有圆形小颗粒的石灰质岩石，如在石灰岩中
15.
a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae.
乌贼的化石，圆锥形石灰质化石，许多灭绝的头足类动物。
16.
A highly polished, convex-cut, unfaceted gem.
圆形宝石高度磨光的，用凸形刀具切削过的，未加面饰的宝石
17.
A cylindrical stone or clay object with an engraved design or inscription.
雕纹圆柱物带有雕刻的图案或者文字的圆柱形石头或者陶制物体
18.
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，