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单词 not know a B from a broomstick
释义

B

symbol

Magnetic flux density

B

symbol
  1. (as a medieval Roman numeral) 300
  2. Baryon number (physics)
  3. Black (on lead pencils to indicate softness)
  4. Boron (chem)

B or B.

abbrev
  1. Bachelor
  2. Baron
  3. Bass (music)
  4. Belgium (IVR)
  5. Bishop (in chess)
  6. Britain
  7. British

B or b /bē/

noun
  1. The second letter in the modern English alphabet as in the Roman, corresponding to the Greek beta (Β, β), its sound a voiced bilabial stop
  2. The seventh note of the diatonic scale of C major (H in German notation, B being used for B flat) (music)
  3. The key or scale having that note for its tonic (music)
  4. One of the four blood types in the ABO blood group system
  5. The designation of the subsidiary series of paper sizes (used for posters), ranging from B0 (1000×1414mm) to B10 (31×44mm)
  6. In road-classification, followed by a number, the designation of secondary roads
  7. In hexadecimal notation, 11 (decimal) or 1011 (binary)
  8. The second highest in a category or range
  9. Something or someone of the second class or order, or of a class arbitrarily designated B
  10. A designation indicating lesser importance, secondary billing, etc such as the Bˈ-side of a record or a Bˈ-movie
  11. Anything shaped like the letter B

B flat or B noun

A 19c euphemism for a domestic bedbug

Bˈ-list adjective (informal)

Not belonging to the most important or famous group (of celebrities, etc)

B'-lister n.

B lymphocyte or B cell noun

A type of lymphocyte or cell, originating (in mammals) in the bone marrow, which manufactures antibodies, present on the cell surface, in response to stimulation by an antigen

B quadratum, quadrate B or square B noun

In old music, B natural

B rotundum or round B noun

In old music, B flat

B'-school noun

Business school

not know a B from a battledore, broomstick or bull's foot (old sl)

To be very ignorant

symbol

(medieval Roman numeral) 3000

symbol

(Roman numeral) 100000

broom /broom/

noun
  1. A long-handled domestic sweeping brush
  2. A yellow-flowered papilionaceous shrub, Cytisus scoparius, or a related plant
  3. A besom made of its twigs or of anything similar
transitive verb

To sweep with a broom

ORIGIN: OE brōm

broomˈy adjective

Covered with or consisting of broom

broomˈball noun

A team game played on ice, orig by British diplomatic staff in Moscow, using brooms and a plastic ball

broomˈ-corn noun

A kind of millet of whose stalks brooms are made

broomˈrape noun

(L rapum a knob) a genus (Orobanche) of plants, parasitic on broom and other roots

broomˈstaff (archaic) or broomˈstick noun

The handle of a broom

marry over the broomstick or jump the besom or broomstick

To go through an irregular form of marriage in which both jump over a broomstick

new brooms sweep clean

People newly appointed to a position work very conscientiously, or try to sweep away abuses, old attitudes, old methods, etc

not know a B from a broomstick

To be very ignorant

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更新时间:2024/11/15 3:47:35