您要查找的是不是：
- What percentage of the earth is covered by oceans? 地球上百分之多少被海水覆盖着？
- The figure is expressed as a percentage. 那数字是以百分比表示的。
- One who operates a sifting machine. 筛粉者操作筛粉机的人
- Sift the flour before making the cake. 做蛋糕前先把面粉筛一下。
- We have only a small percentage of foreign books. 我们只有一少部分外文书。
- What percentage of children were absent? 缺席的学童占百分之几?
- Each of them got a percentage of the profits. 他们每个人都得到一部分利润。
- Whisky contains a large percentage of alcohol. 威士忌所含酒精的百分比很高。
- sifting percentage 筛净率
- There is no percentage in worrying about it. 为此担忧无济於事。
- There is no percentage in arguing with him. 同他争论于事无补。
- What percentage of his income is taxable? 他的收入有多少需纳所得税?
- Heavy snow is sifting onto the ground. 满天大雪撒落在大地上。
- The experts did a painstaking sifting of debris. 专家们对岩屑进行了煞费苦心的研究。
- We should sift out the true from the false. 我们应当去伪存真。
- I was sifting the cinders when she came in . 她进来时，我正在筛煤渣。
- They are sifting the wheat from the chaff. 他们正往外筛麦壳子。
- Why didn't you sift some sugar on to the cake? 你为什么没在糕点上撒点糖呢?
- She had to sift ashes from the cinders. 她只好把煤渣中的灰筛出去。
- I began sifting through the mass of evidence. 我开始认真筛选大量的证据。
