a type of endoscope for visually examining the stomach
gastroscope详细解释
gas.tro.scope n.（名词）An endoscope that is inserted through the mouth and used for examining the interior of the stomach.胃镜：通过口腔插入，用来检查胃的内部的一种内窥镜 【引伸】 gas.troscop.ic gastros.copist gastros.copy
