医务人员乘直升机到达该岛，而船载救援物资因恶劣天气而受阻，从苏门答腊岛巴东港来大约费了半天的周折。

Medical personnel were arriving on helicopters but boats bearing aid have been hampered by bad weather around the islands, which are about half a day's journey away from the port of Padang on Sumatra.

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因天气恶劣，他们的前进严重受阻。

Their advance was seriously impeded by the bad weather.

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