noun 下载 🔗分享 旱獭,土拨鼠 Any of several large ground-dwelling rodents of the genera Marmota and Cynomys in the squirrel family. Examples : "While hiking in the mountains, we saw a chubby marmot sunning itself on a rock. " 在山里徒步的时候,我们看到一只胖乎乎的旱獭正趴在石头上晒太阳。 animal nature biology organism 与AI对话词汇游戏阅读练习