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
Where are we going to be?
我们会在哪儿？
You'll break it, if you don't take care.
你不专心的话，就会打破。
The disadvantage with carrying out interviews is that it may take a long time.
走访用户的不利之处是它需要很长的时间。