noun 下载 🔗分享 滚筒筛，旋转筛 A revolving buddle or sieve for separating, or sizing, ores. Examples : "The gold miners used a large, rotating trommel to separate the valuable gold flakes from the unwanted rocks and gravel. " 淘金者们使用一个大型的旋转滚筒筛，将珍贵的金片从不需要的岩石和砂砾中分离出来。 machine technology industry material geology 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 滚筒筛，旋转筛。 A rotating drum for sorting items, such as waste for recycling. Examples : "The recycling plant uses a large trommel to separate plastic bottles from cardboard. " 这家回收厂使用大型滚筒筛将塑料瓶从纸板中分离出来。 environment technology machine industry item 与AI对话词汇游戏阅读练习
