杨旗 手机:18986006958 邮箱: 专业英语和非专业英语的异同点? 相同: 听、说、读、写; 不同:侧重点不同 非专业英语语法,打基础; 专业英语专业词汇,理解的能 力(应用); 专业英语=专业知识+基础英语 Professional English = professional knowledge + elementary English 1、INTRODUCTION TO ENVIRONMENTAL ENGINEERING 2、AIR POLLUTION Protect the environment from the potential, deleterious effects of human activity; Protect human populations from the effects of adverse environmental factors; Improve environmental quality for human health and well-being. 1. New words and Expressions (1) New word