In the family of the ducks, the lamellae are first used as teeth, then partly as teeth and partly as a sifting apparatus, and at last almost exclusively for this latter purpose.

在，薄片首先用作牙齿， 然后部分用作牙齿， 部分用作筛分器具， 最后几乎完全用于后者的目的。

Sometimes that character commands our respect, for its sieved residue is sound, and we do not hold it against a man that he goes in rags and cannot or will not work for a living.

有时，这性格会赢得我们的尊重，因为它的筛分残留物是完好的，我们不会因为一个人衣衫褴褛、不能或不愿工作谋生他。

The 'yellow ground' had to be smashed up with picks so that  it could be coarsely sieved in large wire frames, and the resulting large pieces removed by  buckets to be further sieved and scraped.

必须用镐将“黄土” 打碎，以便可以在大型金属丝框架进行粗筛，然后将所得的大块用桶移走， 以便进一步筛分和刮擦。