sifting例句
He lay on the beach,
sifting the sand through his fingers.
他躺在沙滩上用手筛砂子玩.
I stood at the foot of the collapsed tower and watched the rescue workers
sifting through the debris.
我站在倒塌的高塔脚下，看着救援人员在瓦砾堆中搜寻。
I was
sifting the cinders when she came in.
她进来时,我正在筛煤渣.