Contents 1
Lesson One 1
Lessou Two 14
Lesson Three 26
Lesson Four 40
Exercise Ⅰ 56
Lesson Five 74
Lesson Six 91
Lesson Seven 108
Lesson Eight 123
Exercise Ⅱ 135
Lesson Nine 156
Lesson Ten 171
Lesson Eleven 192
Lesson Twelve 208
Exercise Ⅲ 225
附录Ⅰ．英译汉翻译技巧 243
Ⅱ．化学常用英语略语表 270
总词汇表 281