篩的用法和樣例：
例句
-
我們得把申請書仔細篩選一下以甄別優劣。
We have to sift through the application forms very carefully to separate the wheat from the chaff. -
我們可以用一個篩子把石頭分離出來。
We can separate the stones out with a sieve. -
她正在把米過篩，好把石頭篩出。
She is sieving the rice in order to sieve out the stones. -
做蛋糕前先把面粉篩一下。
Sift the flour before making the cake.
