noun 下载 🔗分享 蛛形纲动物 Any of the eight-legged creatures, including spiders and scorpions, of the class Arachnida. Examples : "The science class learned that a spider is an arachnid because it has eight legs. " 自然科学课上，同学们学到蜘蛛是蛛形纲动物，因为它有八条腿。 "My little sister screamed when she saw the spider; she really doesn't like any arachnid. " 我妹妹看到蜘蛛时尖叫起来，她真的不喜欢任何蛛形纲动物。 animal biology insect nature organism 与AI对话词汇游戏阅读练习
