相关单词近義詞 infrastructure 基礎, groundwork 基礎, base 底部, foundation 根基, organization 機搆, structure 結搆, setup 裝備, arrangement 佈置, frame 骨架, preparation 準備, seat 座位, foot 腳, understructure 基礎, fundament 基礎臨近詞sub, sublock相似詞substitute teacher, substitution, substrate, substratum, subsume, subtalar, subtenant, subtend, 返回 substructure