【TOEFL核心词汇】No.22 促成
Hints：只听写例句。前面的单词不用听写。http://t1.g.hjfile.cn/listen/201212/201212030426072019705.mp3It dissolves, transports, and precipitates many chemical compounds and is constantly modifying the face of the Earth.不断地液化。溶解和运输地表的化学物质，使地表不断地变轻。
——译文来自: lvbufan
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