noun 下载 🔗分享 研磨剂，磨料 A substance or material such as sandpaper, pumice, or emery, used for cleaning, smoothing, or polishing. Examples : "The workshop used abrasives like sandpaper to smooth the rough edges of the wooden furniture. " 工作室使用像砂纸这样的研磨材料来打磨木制家具粗糙的边缘。 material substance 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 磨料，研磨剂 Rock fragments, sand grains, mineral particles, used by water, wind, and ice to abrade a land surface. Examples : "The flowing river carried abrasives like sand and pebbles that slowly wore away the canyon walls. " 流动的河水裹挟着沙子和卵石等磨蚀物，慢慢地磨损着峡谷的岩壁。 geology material environment 与AI对话词汇游戏阅读练习
