英语词汇preoccupy的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	preoccupy
词根词缀	preoccupy 预先占据，忧心，担心 pre-, 在前，早于，预先；occupy, 占据。引申词义忧心，担心。
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英语词根词缀词典收录了25228条英语词根词缀词条，基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析，是记忆英语词汇的必备工具。