英语科普注释读物 海洋世界PDF电子书下载

CONTENTS 1

1．The Sea and How We Explain Its Mysteries 1

2．What Happened Earlier 10

3．Mapping the Ocean Floor 26

4．The Wonders of Sea Water 33

5．The Moving Waters 43

6．Minerals and Other Supplies of the Sea 56

7．The Life in the Sea 63

8．Tomorrow's Promise 75

Vocabulary 82

地名与海流名称 89

潜水器与舰船名称 90

人名表 91

机构名称 92