groundworkn.
英 'graʊn(d)wɜːk | 美 'graʊnd'wɝk
中文n. 基础；地基，根基
词根词源
groundwork (n.)mid-15c., "foundation of a building or wall, solid base on which a structure is built," from ground (n.) + work (n.) in the older sense. Similar formation in Middle Dutch grontwerck, Dutch grondwerk, German grundwerk. Of immaterial things from 1550s.
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