1、
软体动物的化石比硬体动物化石少见得多, 但是也是可能发生的.
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2、
Many people nowadays are calling for a nationalization, identification and fossilization.
现在有许多人在提倡民族化 、 科学化、大众化.
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3、
The study of fossilization in interlanguage is of great help to college English teaching.
对石化现象的研究为外语教学提供了有益的启示.
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4、
Fossilization of Chinese to English Interlanguage and It's Significance in Teaching
汉英中介语僵化/石化研究及其教学意义
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