·塑料由水、煤和石灰制造而成。水是无处不在、取之不绝 的自然资源;煤可以通过自动化和机械化方式采得,成本较 低;石灰可以通过燃烧自然界广泛存在的石灰石获得。 译文: Plastics is made from water which is a natural resource inexhaustible and available everywhere, coal which can be mined through automatic and mechanical process at low cost and lime which can be obtained from calcinations of limestone widely present in nature
• 塑料由水、煤和石灰制造而成。水是无处不在、取之不绝 的自然资源; 煤可以通过自动化和机械化方式采得, 成本较 低; 石灰可以通过燃烧自然界广泛存在的石灰石获得。 • 译文： • Plastics is made from water which is a natural resource inexhaustible and available everywhere, coal which can be mined through automatic and mechanical process at low cost and lime which can be obtained from calcinations of limestone widely present in nature
语篇之简 科技语篇的构建是在词汇语法层面上从 简单的小句被“打包”(pack)成词组 的过程,或从两三个小句“打包”成 个小句的过程,从而使得科技语篇简洁 浓缩、凝练
语篇之简 • 科技语篇的构建是在词汇语法层面上从 简单的小句被“打包”（pack）成词组 的过程，或从两三个小句“打包”成一 个小句的过程，从而使得科技语篇简洁、 浓缩、凝练