长度: length; longitude; size; extent; footage 短语和例子各种长度 assorted lengths; (合乎)理想的长度 desired size; 它的长度合适。 it is of convenient length
许: Ⅰ动词1.(称赞; 承认优点) praise 短语和例子推许 esteem and commend; 赞许 praise; commend2.(答应) promise 短语和例子他许过我一张票。 he promised me a ticket. 他许下要给大报酬的诺言。 he made promises of a large reward.3.(允许; 许可) allow;
