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metamorphosing的音標(biāo)：...

The glacier is a natural ice evolving through many years'accumulation and metamorphosing of snow.冰川是寒冷地區(qū)多年降雪積累、變質(zhì)而形成的自然冰體....

v.使變形，使變質(zhì)( metamorphose的現(xiàn)在分詞 )，變形，變質(zhì)...