collection box奉献箱collectionn.收集；收取，托收；聚集；收藏品；募捐collection size eatimation索引量估计collection magnetism board集磁板Collection of secure blood安全血液采集collection and arrangement收集整理collection and compilation收集整理collection of betting duty收取博彩税collection of rhymed words韵谱收字collection characteristics馆藏特色collection and maintenance收集整理collection and exploitation考察和收集