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单词 aldrin
释义

WordReference Random House Unabridged Dictionary of American English © 2024
al•drin  (ôldrin),USA pronunciation n. [Chem.]
  1. Chemistrya brown, water-insoluble, toxic solid consisting of more than 95 percent of the chlorinated hydrocarbon C12H8Cl6: used as an insecticide.
  • 1949; named after Kurt Alder; see -in2

Al•drin  (ôldrin),USA pronunciation n. 
  1. Biographical Edwin Eugene, Jr. ("Buzz''),born 1930, U.S. astronaut.

Collins Concise English Dictionary © HarperCollins Publishers::
aldrin /ˈɔːldrɪn/ n
  1. a brown to white poisonous crystalline solid, more than 95 per cent of which consists of the compound C12H8Cl6, which is used as an insecticide. Melting pt: 105°C
Etymology: 20th Century: named after K. Alder (1902–58) German chemist
Collins Concise English Dictionary © HarperCollins Publishers::
Aldrin /ˈɔːldrɪn/ n
  1. Edwin Eugene Jr., known as Buzz. born 1930, US astronaut; the second man to set foot on the moon on July 20, 1969, during the Apollo 11 flight
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更新时间:2026/6/18 14:05:57