comBbaby [?be?b?] n. 婴儿bachelor [?b?t??l?(r)] n. 未婚男子, 单身汉back [b?k] ad. 回(原处);向后 a. 后面的 n. 背后,asin 后部;背backache [?b?ke?k] n. 背痛background [?b?kɡra?nd] n....
1.Improve 提升:Promote: 推动AC间的商贸promote the trade between A and C; He was promoted to senior manager in this company.Advance: our understanding of human gene...