Scuba Diving
Scuba~1 Diving出 版 物:《大学英语》 (College English)
年 卷 期:1988年第6期
页 面:32-34+27页
主 题:Scuba Diving 通气管
摘 要:While the eyes of the world are now focussed on outer space,moredown-to-earth scientists keep telling us that the future,economicallyspeaking,is under the *** ocean floor is one of the few remain-ing areas of *** for only a few pounds and now and thenthe cost of an annual holiday,anybody can become a Scuba *** quite close to the shoreline lies a whole world of flora and