Weighty rain and higher heat make checking out the island more difficult as ferries could possibly have to cancel their journey because of unsafe weather conditions.M?t v?t có kh?i l??ng 1 kg dao ??ng ?i?u hòa xung quanh v? trí cân b?ng. ?? th? dao ??ng c?a th? n?ng c?a v?t ???c bi?u di?n nh? hình. L?y thì biên ?? dao ??ng c?a v?t làNgoài