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单词 tonus
释义

WordReference Random House Unabridged Dictionary of American English © 2024
to•nus  (tō′nəs),USA pronunciation n. [Physiol.]
  1. a normal state of continuous slight tension in muscle tissue that facilitates its response to stimulation.
  • Greek tónos tone
  • Neo-Latin, special use of Latin tonus
  • 1875–80

Collins Concise English Dictionary © HarperCollins Publishers::
tonus /ˈtəʊnəs/ n
  1. the normal tension of a muscle at rest; tone
Etymology: 19th Century: from Latin, from Greek tonos tone
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更新时间：2025/2/23 16:06:55