fourfoldadj.
英 'fɔːfəʊld | 美 'fɔrfold
中文adj. 四倍的；四重的；四垒的\nadv. 四倍；四重
四倍的；四重的；四垒的
adv. 四倍；四重
词根词源
fourfold (adj.)Old English feowerfeald; see four + -fold. As an adverb from 1530s. Similar formation in Old Frisian fiuwerfald, Dutch viervoudig, Old High German fiervalt, German vierfältig, Danish firfold, Gothic fidurfalþs.
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