关于focus的句子 The comprehensive development of children is becoming the focus of modern education.儿童的全面发展正成为现代教育的重点。 2014-06-30 9567 阅读
减排之我见 My View on Reducing Carbon Emission Every year billion tons of carbon dioxide is added into the air, which in part results in global warming and climate change. Now we are live in the world that is filled with pollution. 2014-05-15 7562 阅读
