- 問題詳情: “Ifyouwanttoseeathingwell,reachoutandtouchit!”Thatmayseemastrangethingtosay.Buttouchingthingscanhelpyoutoseethembetter.Youreyescantellyouthatglassballisround.Butbyholdingitinyourhands,youcanfeelhowsmoothandcooltheballis.Youcanfeelhowheavy...
- 16412