英语词汇“sand and gravel trap”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	sand and gravel trap
释义	sand and gravel trap 沉沙砾池
随便看	non-negative definite nonnegative definite nonnegative definite form nonnegative definite matrix non-negative definite quadratic estimate nonnegative form nonnegative function nonnegative integer nonnegative integers non negative integral form nonnegative integral form nonnegatively nonnegative matrix non-negative matrix nonnegative matrix number non-negative number nonnegative number non-negative operator nonnegative operator non negative operator nonnegative quadrant nonnegative real number nonnegative restriction non-negatives nonnegatives 賺賻購賽賾賿贀贁贂贃礼拜六派礼拜堂礼拜寺礼拜鞋礼教礼数礼斗礼服礼服呢礼案