单词 | expansion |
释义 | expansion /iks5pAnFEn/ n. 1.扩大, 扩张, 扩展2.膨胀 【例】Metals undergo expansion when heated. 金属加热时会膨胀。This book is an expansion of the play he wrote before. 这本书是他以前写的剧本的扩充。" |
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