sift

大学 FREQ #30577 ★☆☆☆☆

vt. 筛, 过滤, 撒, 详查 vi. 筛, 被筛下, 精选

发音

US /sɪft/

词形变化

sifts 复数 sifts sifted sifteth sifting sifts 三单 sifting 现在分词 sifted 过去式 sifted 过去分词

教材释义与例句

动词

筛选；撒；过滤；详查

动词

筛；详查；撒下；细究

释义与例句

n.
  1. 1.

    An act of sifting.

v.
  1. 1.

    To sieve or strain (something).

    筛

    滤

    过滤

    及物
  2. 2.

    To separate or scatter (things) as if by sieving.

    及物
  3. 3.

    To examine (something) carefully.

    To scrutinize (someone or something) carefully so as to find the truth.

    古体 过时 及物
  4. 4.

    To examine (something) carefully.

    [with through] To carefully go through a set of objects, or a collection of information, in order to find something.

    及物
  5. 5.

    To move data records up in memory to make space to insert further records.

    过时 及物 计算机 工程 数学

词汇关系

动词

同义词 2

strain sieve

上位词 10

go take move choose study travel separate examine select analyze

下位词 5

rice screen riddle resift winnow

相关短语

sift out sift through 被筛下, 通过

词源

From Middle English syften, from Old English siftan, from Proto-West Germanic *siftijan.

来源：wiktionary