您要查找的是不是：
- He found a piece of fossil of an ancient bird. 他发现一块古代鸟类的化石。
- This fossil may be over 2 million years old. 这化石可能超过二百万年了。
- Can you date the fossil exactly? 你能确定这化石的确切年代吗?
- fossil groundwater 古地下水
- Isn't Professor Bell an old fossil? 贝尔教授真是个老顽固。
- A microscopic fossil, as of a pollen grain or unicellular organism. 微体化石一种微小的化石，如花粉粒或单细胞有机体的化石
- If we squander our fossil fuels, we threaten civilization. 如果我们浪费矿物燃料，我们就威胁文明。
- The gossip tossed the mossy blossom fossil. 爱讲闲话者向上抛长满苔藓的花化石。
- Groundwater monitoring and quality assessment. 水文地质学:地下水监控与质量评价。
- A finite list of choices; our finite fossil fuel reserves. 为数有限的选择; 我们有限的矿物燃料贮量
- The solid matter in which a fossil or crystal is embedded. 基质，脉石嵌有化石或水晶的固体物质
- First, contaminants volatilize out of groundwater. 首先，污染物从地下水中挥发出来，变成蒸气。
- The water supply of Jiaozuo city is groundwater. 摘要焦作市是以地下水作为供水水源的城市。
- Coal is usually referred to as a fossil fuel. 煤通常被称为矿物燃料。
- The fossil may over 2 millon years. 这化石可能超过二百万年了.
- This is a story of fossil culture written by XX. 这是由一个叫XX的人编织的化石文化的故事。
- Archaeologists dated the fossil after much study. 经过认真地研究后,考古学家们最后确定了该化石的年代。
- The lay-like karst aquifer formed by some special strata and fossil karst are very important in the groundwater exploitation in this area. 特殊岩性和古溶蚀形成的似层状岩溶含水层具有重要的开发价值。
- Fossil remains were found in Java. 残余化石在爪哇发现。
- Groundwater levels fall; rivers get drier and drier. 地下水位降低；河流变得越来越干涸。
