- 问题详情:Skin-diving(潜水)isanewsporttoday.Thissporttakesyouintoawonderfulnewworld.Itislikeavisittothemoon.Whenyouareunderwater,itiseasyforyoutoclimbbigrocks(岩石),becauseyouarenolongerheavy.Here,underwater,everythingisblueandgreen.Duringtheday,thereisplentyofl...
- 14195