shotcreteWiktionary 原文构词拆分shot词根/词干+concrete词根/词干词源说明Blend of shot + concrete. First attested use is in a report at the 1934 convention of the American Railway Engineering Association.释义（英文）名词 Nounconcrete conveyed through a hose and pneumatically projected at high velocity onto a surface.词族相关词（2）shotcretershotcreting