newsletterWiktionary 原文中文来自 ECDICTn.时事通讯，业务通讯，时事传报构词拆分news词根/词干+letter词根/词干词源说明From news + letter.释义（英文）名词 NounA periodically sent publication containing current events or the like, generally on a particular topic or geared toward a limited audience.词族派生词（1）e-newsletter