| 单词 | a |
| 释义 | a (once / 1 page) n WORD FAMILY a: an USAGE EXAMPLES“I expected the fare and change fees to end up around the cost of a whole new booking,” Ryan said. Seattle Times(Jan 02, 2017) He said he'd consider a reduced salary to return, which would probably be the only way for that to happen. Los Angeles Times(Jan 02, 2017) Paul Stacey of the Calgary Police Service said at a news conference. New York Times(Jan 02, 2017) n the 1st letter of the Roman alphabet Syn|Hyper A alphabetic character, letter, letter of the alphabet the conventional characters of the alphabet used to represent speech A (once / 2 pages) 1n 2n 3n 4n 5n 6n WORD FAMILY A USAGE EXAMPLESA fourth-year veteran, Hyde intercepted a pass at the goal line intended for Golden Tate with 1:35 left in the game. Washington Times(Jan 02, 2017) A 15th major is unlikely but vigorous pursuit would be thrilling. Washington Times(Jan 02, 2017) How it works: A modified stethoscope is put in a vest. BBC(Jan 02, 2017) 1 n the 1st letter of the Roman alphabet 2Syn|Hyper a alphabetic character, letter, letter of the alphabet the conventional characters of the alphabet used to represent speech n any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes 3Syn|Hypo|Hyper antiophthalmic factor, axerophthol, vitamin A retinol, vitamin A1 an unsaturated alcohol that occurs in marine fish-liver oils and is synthesized biologically from carotene dehydroretinol, vitamin A2a viscous alcohol that is less active in mammals than is vitamin A1 fat-soluble vitamin any vitamin that is soluble in fats n the blood group whose red cells carry the A antigen 4Syn|Hyper group A, type A blood group, blood type human blood cells (usually just the red blood cells) that have the same antigens n the basic unit of electric current adopted under the Systeme International d'Unites 5Syn|Hyper amp, ampere current unit a measure of the amount of electric charge flowing past a circuit point at a specific time n a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation 6Syn|Hyper angstrom, angstrom unit metric linear unit a linear unit of distance in metric terms 1n one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) Syn|Hyper deoxyadenosine monophosphate base, nucleotide a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) 2n (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA Syn|Hyper adenine purine any of several bases that are derivatives of purine |
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英语词典包含147318条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。