| 释义 |
- v.筛（面粉或颗粒较细的物质）；细查；详审；区分
- 网络尺度不变特征变换(Scale Invariant Feature Transform)；筛分；筛选
第三人称单数：sifts 现在分词：sifting 过去式：sifted v.+n. sift evidence,sift flour v. sieve,filter,separate,strain,sort through 1. | [t] ~ sth 筛（面粉或颗粒较细的物质）to put flour or some other fine substance through a sieve/sifter |
| Sift the flour into a bowl. 把面粉筛到碗里。 |
2. | [t][i] 细查；详审to examine sth very carefully in order to decide what is important or useful or to find sth important |
| We will sift every scrap of evidence. 我们将细查每一点证据。 | | Crash investigators have been sifting through the wreckage of the aircraft. 调查坠机事件的专家一直在仔细检查飞机残骸。 |
3. | [t] ~ sth (out) from sth 区分；挑选；精选to separate sth from a group of things |
| She looked quickly through the papers, sifting out from the pile anything that looked interesting. 她很快地翻了一下那摞文件，把所有看着有趣的东西都拣了出来。 |
v. | 1. to pass a substance through a sieve to separate out or break up coarse particles 2. to separate something with a sieve, or by a process of selection or elimination 3. to scatter something with or as if with a sieve 4. to sort or examine something carefully 5. to pass or fall through or as if through a sieve 6. to pour a dry substance through a sieve to remove the large pieces 7. to examine information, documents, etc. in order to find what you are looking for 8. put;separate by putting,through a sieve 1. to pass a substance through a sieve to separate out or break up coarse particles 2. to separate something with a sieve, or by a process of selection or elimination 3. to scatter something with or as if with a sieve 4. to sort or examine something carefully 5. to pass or fall through or as if through a sieve 6. to pour a dry substance through a sieve to remove the large pieces 7. to examine information, documents, etc. in order to find what you are looking for 8. put;separate by putting,through a sieve |
|