- 問題詳情:Skin-diving(潛水)isanewsporttoday.Thissporttakesyouintoawonderfulnewworld.Itislikeavisittothemoon.Whenyouareunderwater,itiseasyforyoutoclimbbigrocks(巖石),becauseyouarenolongerheavy.Here,underwater,everythingisblueandgreen.Duringtheday,thereisplentyofl...
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