continental drift

noun
🔊/ˌkɒntɪnentl ˈdrɪft/
🔊/ˌkɑːntɪnentl ˈdrɪft/
[uncountable] (geology地质学)
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  1. the slow movement of the continents towards and away from each other during the history of the earth大陆漂移 see also plate tectonicsTopics Historyc2