His paintings look as if they have been knocking around for centuries.他的画看上去就像是已经存在几百年了.These states had lived in concord for centuries.这些国家几个世纪以来一直和睦相处。The custom of lighting the Olympic flame goes back centuries...点燃奥林...
The flagstones beneath their feet were worn smooth by centuries of use.他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。They had five centuries of domination by the Romans.他们被罗马人统治了5个世纪。His paintings look as if they have been knocking around for...
Many small lymphocytes are destroyed and germinal centres depleted.破坏了许多小淋巴细胞,使生发中心空虚.His germinal selection theory is pregnant with novelty and dialectic ideas.种质选择论很有新意,极富辩证法思想.The Wealth of Nations is the germinal boo...
许多种蓝藻有固氮的能力.Among the blue - green algae are many species of nitrogen fixation.菌根起着固氮和贮氮的作用.Mycorhizae perform the function of nitrogen fixation and storage.根瘤菌是生物固氮的能手.Nodule bacteria are very good at biological nitroge...