agastricWiktionary 原文构词拆分a-前缀(no longer productive) Forming verbs with the sense away, up, on, out. · (no longer productive) Forming verbs with the sense of intensified action.+gastric词根/词干词源说明From a- + gastric.释义（英文）形容词 Adjective(biology) Having no alimentary canal; lacking a stomach, intestines, or digestive tract.