fossilation

常見例句

He found a piece of fossil of an ancient bird.
他發(fā)現(xiàn)一塊古代鳥類的化石。
This fossil may be over 2 million years old.
這化石可能超過二百萬年了。
Can you date the fossil exactly?
你能確定這化石的確切年代嗎?
Isn't Professor Bell an old fossil?
貝爾教授真是個老頑固。
A microscopic fossil, as of a pollen grain or unicellular organism.
微體化石一種微小的化石，如花粉?；騿渭?xì)胞有機(jī)體的化石
If we squander our fossil fuels, we threaten civilization.
如果我們浪費(fèi)礦物燃料，我們就威脅文明。