Skin-diving(潜水)isanewsporttoday．Thissporttakesyouintoaw...
问题详情：Skin-diving(潜水)isanewsporttoday．Thissporttakesyouintoawonderfulnewworld．Itislikeavisittothemoon．Whenyouareunderwater，itiseasyforyoutoclimbbigrocks(岩石)，becauseyouarenolongerheavy．Here，underwater，ev...