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单词 sonde
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sonde  (sond),USA pronunciation n. [Rocketry.]
  1. Rocketrya rocket, balloon, or rockoon used as a probe for observing phenomena in the atmosphere.
  • French: plumb line; see sound3
  • 1920–25

Collins Concise English Dictionary © HarperCollins Publishers::
sonde /sɒnd/ n
  1. a rocket, balloon, or probe used for observing in the upper atmosphere
Etymology: 20th Century: from French: plummet, plumb line; see sound³
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