相关例句

• They are sieving the sand for gold. (他们正在筛沙淘金。)
• The workers are sieving the gravel to remove the large stones. (工人们正在筛砾石以去除大石头。)
• Sieving the flour can make the cake more tender. (筛面粉可以使蛋糕更松软。)
• She is sieving the soil to make it finer. (她正在筛土使其更细。)
• We should start sieving the seeds before planting. (我们应该在种植前开始筛选种子。)
• The process of sieving helps to purify the material. (筛选过程有助于提纯材料。)
• Sieving is an important step in this production. (筛滤是这个生产中的一个重要步骤。)
• He spent a long time sieving the mixture. (他花了很长时间筛选混合物。)
• They are sieving the powder carefully. (他们正在仔细地筛粉末。)
• Sieving can separate different sizes of particles. (筛滤可以分离不同大小的颗粒。)