ensureon Basic wordsalso onAcademic Word List (AWL)? CEFR Upper intermediate (B2)? Academic Vocabulary List (AVL)? Band 2 (BND2)? 保证,确定 ensured ensured(verb) 担保获得,确保(ensure的过去式和过去分词) ensures ensures(verb) 担保获得,确保(ensure的第三人称单数) ensuring ensuring(verb) 担保获得,确保(ensure的现在分词) ensure ensure(verb) 保证,确定 Forms verb ensured ensures ensuring ensure 1 2 3