Rousseau is an epochmaking education thinker and naturalism education is the foundation and core of his educational thought.
卢梭是划时代的教育思想家，自然主义教育是他教育思想的基础和核心。
Go up to basically produce one of coal countries as the world, the coal industry of Czech has epochmaking place in the national economy of this country.
作为世界上主要产煤国之一，捷克的煤炭工业在该国的国民经济中占有极重要的地位。
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