noun 下载 🔗分享 卵鞘 An egg case of any of the orthopteroid insects (such as cockroaches and mantids). Examples : "The gardener found several cockroach oothecae attached to the underside of a large leaf in the greenhouse. " 园丁在温室里一片大叶子的背面发现了好几个蟑螂的卵鞘。 animal insect biology nature 与AI对话词汇游戏阅读练习