英语词汇“chaff”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

chaff¹

(chăf)

1. Botany Thin dry bracts or scales, especially:

a. The dry bracts enclosing mature grains of wheat and some other cereal grasses, removed during threshing.

b. The scales or bracts borne on the receptacle among the small individual flowers of many plants in the composite family.

2. Finely cut straw or hay used as fodder.

3. Trivial or worthless matter: ignored the picky, unimportant criticisms that were just a lot of chaff.

4. Strips of metal, foil, or glass fiber with a metal content, cut into various lengths and having varying frequency responses, that are used to reflect electromagnetic energy as a radar countermeasure. These materials, usually dropped from aircraft, also can be deployed from shells or rockets.

[Middle English chaf, from Old English ceaf.]

chaffy adj.

单词	chaff
释义	chaff¹ (chăf) n. 1. Botany Thin dry bracts or scales, especially: a. The dry bracts enclosing mature grains of wheat and some other cereal grasses, removed during threshing. b. The scales or bracts borne on the receptacle among the small individual flowers of many plants in the composite family. 2. Finely cut straw or hay used as fodder. 3. Trivial or worthless matter: ignored the picky, unimportant criticisms that were just a lot of chaff. 4. Strips of metal, foil, or glass fiber with a metal content, cut into various lengths and having varying frequency responses, that are used to reflect electromagnetic energy as a radar countermeasure. These materials, usually dropped from aircraft, also can be deployed from shells or rockets. [Middle English chaf, from Old English ceaf.] chaffy adj.
随便看	fluxionally fly fly fly flyable fly agaric fly ash fly at flyaway fly ball flyblow flyblown fly book flyboy fly-boy flybridge flyby fly-by fly-by-night fly-cast fly-caster fly-casting flycatcher flyer flyer