Fossicking for gold involves sifting through amounts of dirt for a few grammes of precious metal.

This fossil is the skull of a primitive person.

这块化石是古人类的头盖骨.

Can you date the fossil exactly?

你能确定这化石的确切年代 吗 ?

Students grow organic food and use as little fossil fuels and chemicals as possible.

学生种植有机食物并尽可能少的利用矿物燃料和化学药品.

At this distance of time it is difficult to date the fossil.

时间隔得这么久了,很难确定这化石的年代.

Fossil fuels such as coal, oil and gas will service our needs for some considerable time to come.

诸如煤、石油和天然气之类的矿物燃料会在以后很长一段时间里满足我们的需求。

The man is a fossil.

那人是个老顽固.

The answers may lie in a close reexamination of the fossil evidence.

通过对化石证据的仔细反复的研究是可以得出答案的.

The evaluation results indicate and economic benefits of each fossil unit.

评价结果能够反映各火力发电机组的经济效益.

But he cannot see how he could run his farm without cheap fossil fuels.

但是莱特先生无法想象没有了便宜的化石燃料还怎么经营自己农场.

Intergovernmental panel on climate change puts most of the blame on the burning of fossil fuels.

政府间的座谈小组把气候变迁的主要原因归咎于燃烧矿石燃料.

They had found a fossil man there.

他们在那儿发现了一个化石人.

If nuclear power superseded fossil power, we would run out of uranium in 4 years.

如果我们以核能取代所有化石能源, 铀将在4年内耗尽.

Do you people still use fossil fuel, or have you discovered crystallic fusion?

你们现在是用化石燃料还是结晶体熔解物?

How long can we continue to supplement agroecosystems with energy derived from declining fossil fuel supplies?

由于矿物燃料供应量下降,我们供应农业生态系统能量能持续多久?

It creates four times more jobs per kilowatt hour generated than fossil fuel such as coal.

它每千瓦时能产生相当于煤等固体燃料四倍的能量.

But it also leads to a fossil fuel.

实际上,还有一种化石燃料.

Glass is heavy, so transporting it uses up a lot of fossil fuel.

玻璃很重, 因此运载它们需要消耗很多的化石燃料.

Increasing problems of all kinds with fossil fuel power plants turning power and utility companiesmoreandmore tOtheuseOfnuclearpoweredelectricgeneratingplants.

矿物燃料发电厂所产生的问题日益增多,这就促使电力公司和公用事业公司越来越倾向于采用核动力发电厂.

By comparison, a typical fossil fuel generator has an efficiency of about 28 %.

与之相比, 一个典型的化石能源发电器的效率在28%左右.

Coal is usually referred to as a fossil fuel.

煤通常被称为矿物燃料.