Sieve problem
[计] 问题
🧩 词语组成解析
sieve
[sɪv]
n. [粮食][矿]筛子;滤网;不能保守秘密的人，嘴不严的人;
v. 筛，筛选;滤;
🗣️ 情景例句
It was so nice to be out in the country.
出去置身乡下真是太好了。
Would you call Miss Shen to the telephone?
请你叫沈小姐来接电话好吗？
What's that, Jim? Is it a picture?
吉姆，那是什么？一张照片？