单词 | tumbling gear |
释义 | > as lemmastumbling gear tumbling gear n. Brit. /ˈtʌmblɪŋ ɡɪə/ , /ˈtʌmbl̩ɪŋ ɡɪə/ , U.S. /ˈtəmb(ə)lɪŋ ˌɡɪ(ə)r/ a gear with one or more idle wheels on a swinging frame for producing reverse motion.ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > which allows change of speed or direction > reverse tumbling gear1793 reversing gear1831 reverse gear1835 reverse1882 1793 Trans. Soc. Arts (ed. 2) 5 202 The common Tumbling Geer, as used in the Fire Engine. < as lemmas |
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