verb 下载 🔗分享 淘洗,筛洗. To sift using a sieve, particularly in mining tin or silver. Examples : "The miner would carefully lues the crushed ore, hoping to separate the valuable tin from the worthless rock. " 矿工会小心地淘洗碾碎的矿石,希望能将有价值的锡从没用的石头中分离出来。 geology technical industry work material science process 与AI对话词汇游戏阅读练习