标题：A23a had more adventures than mostThe world’s biggest iceberg has finally melted away, aged 40 or so正文：Nothing would remain but water. That is the way of ice. Fresh water poured into salt water, and each absorbed the other. In its dying months,A23a carried parallel blue lines of meltwater on its scarred surface. Each represented a crack that would soon gape wider. It drifted,at about 30km a day, in runnels of its own blood.知识点：remain/rɪˈmeɪn/ 不及物动词冰山完全解体后，海面上只会残存下一汪冰冷的海水。

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