sluice-gate 短语 n. 水闸；水门 词形变化 sluice-gates 复数 释义与例句 n. 1. Alternative form of sluice gate. 词汇关系 名词 同义词 5 watergate floodgate headgate penstock sluice valve 上位词 1 regulator 整体词 3 sluice penstock sluiceway