Usuallymostdiversdon’tgoverydeep.Mainlytheydivetoad...
問題詳情： Usuallymostdiversdon’tgoverydeep.Mainlytheydivetoadeepofabout20meters.Thentheyswamaroundastheyslowlyreturntothesurface.Everyonewantstodivemustfirsthavedivinglessons.Therearethenumbero...