1.
How did they become fossils?
它们是怎样变成化石的？
2.
fossil bones, shells, etc
变成化石的骨、 贝壳等.
3.
The little animals fossilized and are now embedded in the limestone.
这个小动物变成化石后并嵌入在石灰石里。
4.
To become stony, especially by petrifaction.
使变成石头使变成石头，尤指通过石化作用
5.
A fossilized footprint.
足迹化石成为化石的足迹
6.
Sands lithify into sandstones.
砂经过石化而成砂岩。
7.
Quicklime combines with water to form slaked lime.
生石灰与水化合成为消石灰。
8.
Graphite is chemically allied to diamond.
石墨和金刚石在化学组成上有联系。
9.
Synthesize B-Doped Diamond Using Graphite Intercalation Compounds;
利用石墨层间化合物合成含硼金刚石
10.
An Analysis of Low Cost Strategy of Large Oil and Petrochemical Corporation in Other Countries;
国外大石油石化公司低成本战略剖析
11.
They owe their color to chalk formed from the fossilized skeletons of sea creatures.
由海洋生物骨骼化石形成的石灰石而得名。
12.
Formed by solidification from a molten state.Used of rocks.
火成的由熔化的岩石凝固形成的。用于修饰岩石
13.
With the development of sicial civilization, stone implement evolved a rich stone culture, such as stone pit culture, engraving culture, rock cave culture, ingenious stone culture, etc.
随着社会文明的进步,石器逐渐衍生成一种丰富的石文化,诸如采石、镌石、石窟、奇石文化等。
14.
And the ore contains hydromica( illite), quartz, organic material and algal fossil.
矿石主要由水云母(利石)石英组成,含有机质及藻类化石。
15.
The siliceous impurities in the ore are removed by reaction with the calcium oxide that is formed when the limestone is heated, CaO + SiO2--Ca-SiO3.
矿石中含硅的杂质同氧化钙(加热石灰石形成的)化合而被排除出去。
16.
To convert(wood or other organic matter)into a stony replica by petrifaction.
使石化使（木头或其它有机物）通过石化作用转变成为石质复制品
17.
hydrocol naphtha fraction
铁催化剂流化床合成的石脑油馏分
18.
The biochemical constituents of fossil organisms.
生物体化石的生物化学组成