noun 下载 🔗分享 口器 (usually in plural) An appendage-like structure on the outside of an insect's or other arthropod's mouth, serving to manipulate and masticate food. Examples : "The fans, or brushes, create currents in the water that direct food toward the larvae’s mouthparts and help stuff the food into their deeply concealed mouths." 这些扇状物或刷毛在水中产生水流,将食物导向幼虫的口器,并帮助将食物塞进它们深深隐藏的嘴里。 organism animal insect biology anatomy part 与AI对话词汇游戏阅读练习