| 单词 | D |
| 释义 | D 1. Elect. debye. 2. deep. 3. depth. 4. Optics. diopter. 5. divorced. 6. Dutch. Symbol. 1. the fourth in order or in a series. 2. (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 poor or barely passing. 3. (sometimes l.c.) a classification, rating, or the like, indicating poor quality. 4. Music. a. the second tone in the scale of C major, or the fourth tone in the relative minor scale, A minor. b. a string, key, or pipe tuned to this tone. c. a written or printed note representing this tone. d. (in the fixed system of solmization) the second tone of the scale of C major, called re. e. the tonality having D as the tonic note. 5. (sometimes l.c.) the Roman numeral for 500. Cf. Roman numerals. 6. Chem. deuterium. 7. Elect. a. electric displacement. b. a battery size for 1.5 volt dry cells: diameter, 1.3 in. (3.3 cm); length, 2.4 in. (6 cm). 8. Biochem. aspartic acid. 9. a symbol for a shoe width size narrower than E and wider than C. 10. a proportional brassiere cup size larger than C. |
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