noun 下载 🔗分享 叶蜂 Any of various flying insects of the suborder Symphyta whose ovipositor is long and often serrated and is used to cut into plants to lay eggs. Examples : "The gardener noticed a sawfly cutting into the leaves of his rose bush to lay its eggs. " 园丁注意到一只叶蜂正在切割他玫瑰丛的叶子，准备产卵。 insect animal nature biology organism 与AI对话词汇游戏阅读练习
