1. The radiator seems to be leaking like a sieve. 汽车的散热器就象筛子一样漏水。
2. Fall is a sieve, sieve out the real value investors, those in Zhaimen. 暴跌是一个筛子，筛出真正的价值投资者，那些窄门里的人。
3. Fine strands of cytoplasm, the plasmodesmata, extend through these pores, connecting sieve-tube cells that lie side by side. 细胞质细丝即胞间连丝通过这些侧壁上的穿孔而延伸，以连接并列的筛管细胞。
英英解释
n.
1. a strainer for separating lumps from powdered material or grading particles
2. examine in order to test suitability
3. check and sort carefully
4. separate by passing through a sieve or other straining device to separate out coarser elements
5. distinguish and separate out
