noun 下载 🔗分享 沙虫,海沙蚕 Any of several species of large marine annelid worm of the genus Arenicola Examples : "The fisherman dug in the wet sand, hoping to find a fat lugworm to use as bait. " 渔夫在湿沙里挖着,希望能找到一条肥美的沙虫来做鱼饵。 animal biology ocean 与AI对话词汇游戏阅读练习