| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024BB /ˈbiˌbi/USA pronunciation n. [countable]- Militarya small, round ball that may be fired from an air rifle:One of the BBs hit the target with a clang.Also called BB shot.
WordReference Random House Learner's Dictionary of American English © 2024B, b /bi/USA pronunciation n. [countable], pl. Bs or B's, bs or b's. - Linguisticsthe second letter of the English alphabet, a consonant.
B, [Symbol.]- the second in order or in a series.
- Education, [sometimes: b] a grade or mark indicating that something is good but not of the highest quality:You need two B's to pull up your average.
- Physiologya major blood group.
b., an abbreviation of:- bachelor.
- Music and Dancebass.
- born.
WordReference Random House Unabridged Dictionary of American English © 2024BB (bē′bē′),USA pronunciation n. - Militarya size of shot, 0.18 in. (0.46 cm) in diameter, fired from an air rifle or BB gun.
- MilitaryAlso called BB shot. shot of this size.
BB, - Stock Exchange, Businessa quality rating for a corporate or municipal bond, lower than BBB and higher than B.
bb., - Mechanical Engineeringball bearing.
- [Baseball.]base on balls;
bases on balls.
B/B, - bottled in bond.
B.B., - bail bond.
- Blue Book.
- B'nai B'rith.
- Bureau of the Budget.
b.b., - Lawbail bond.
- baseboard.
WordReference Random House Unabridged Dictionary of American English © 2024B, b (bē),USA pronunciation n., pl. B's or Bs, b's or bs. - the second letter of the English alphabet, a consonant.
- any spoken sound represented by the letter B or b, as in bid, bauble, or daubed.
- something having the shape of aB.
- a written or printed representation of the letter B or b.
- a device, as a printer's type, for reproducing the letter B or b.
B, - [Chess.]bishop.
- Educationblack.
- Photography, Educationbulb (def. 8).
B, Symbol.- the second in order or in a series.
- (sometimes l.c.) (in some grading systems) a grade or mark, as in school or college, indicating the quality of a student's work as good or better than average.
- (sometimes l.c.) (in some school systems) a symbol designating the second semester of a school year.
- Physiologya major blood group usually enabling a person whose blood is of this type to donate blood to persons of type B or AB and to receive blood from persons of type O or B. Cf. ABO system.
- Music and Dance
- the seventh tone in the scale of C major or the second tone in the relative minor scale, A minor.
- a string, key, or pipe tuned to this tone.
- a written or printed note representing this tone.
- (in the fixed system of solmization) the seventh tone of the scale of C major, called ti.
- the tonality having B as the tonic note.
- (sometimes l.c.) the medieval Roman numeral for 300.
- Chemistryboron.
- Clothinga proportional shoe width size, narrower than C and wider than A.
- Clothinga proportional brassiere cup size, smaller than C and larger than A.
- [Physics.]See magnetic induction.
- [Elect.]susceptance.
- Show Businessa designation for a motion picture made on a low budget and meant as the secondary part of a double feature.
- Businessa quality rating for a corporate or municipal bond, lower than BB and higher than CCC.
b, - Physics
- black.
B., - bachelor.
- Microbiologybacillus.
- Sport[Baseball.]base;
baseman. - Music and Dancebass.
- Music and Dancebasso.
- bay.
- Bible.
- Currencybolivar.
- Currencyboliviano.
- book.
- born.
- breadth.
- British.
- brother.
- brotherhood.
b., - bachelor.
- bale.
- Sport[Baseball.]base;
baseman. - Music and Dancebass.
- Music and Dancebasso.
- bay.
- billion.
- blend of;
blended. - book.
- born.
- breadth.
- brother.
- brotherhood.
B-, [U.S. Mil.]- Military(in designations of aircraft) bomber:B-29.
Collins Concise English Dictionary © HarperCollins Publishers:: BB abbreviation for - Boys' Brigade
symbol for - (on Brit pencils) double black: denoting a very soft lead
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