2026-06-19 10:11:37 浏览次

systematic是什么意思 英[sɪstə'mætɪk] 美['sɪstə'mætɪk] a. 有系统的, 分类上的, 体系的[医] 系统的, 系的, 分类的a. characterized by order and planning;the investigation was very systematica systema...

2025-10-03 01:01:23 浏览次

postage是什么意思 英[ˈpəʊstɪdʒ] 美[ˈpoʊstɪdʒ] n. 邮资[经] 邮费, 邮资n. the charge for mailing somethingn. a small adhesive token stuck on a letter or package to indicate that that postal f...