4周搞定2000+托福核心词
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disappearance
常考释义
Darwin s theory was that the succession from one coral reef type to another could be achieved by the upward growth of coral from a sinking platform, and that there would be a progression from a fringing reef, through the barrier reef stage until, with the disappearance through subsidence (sinking) of the central island, only a reef-enclosed lagoon or atoll would survive.
达尔文的理论是：一种珊瑚礁类型可以演替为另一种类型，首先珊瑚会从一个正在下沉的平面上向上生长，岸礁就演变到堡礁阶段，堡礁阶段由于中央岛全部沉入海里，只剩下珊瑚环绕的泻湖或环礁留存下来。
来源于：阅读OFFICIAL47 P3n. 消失；不见
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