| 单词 | exercise wheel |
| 释义 | > as lemmasexercise wheel exercise wheel n. a treadwheel for small animals, used for the exercise of pets or as part of a scientific experiment; = activity wheel n. at activity n. Compounds 2. ΘΚΠ the world > animals > mammals > [noun] > wheel for measuring activity of small mammals exercise wheel1902 activity wheel1929 1902 N.Y. Times 27 Apr. 7/1 The exercise wheel in the squirrel's cage is attached by a leather band to the wheel of a machine. 1935 Jrnl. Mammalogy 16 263 The exercise wheel of a pair of mice was placed against the wire side of the cage so that it could not turn. 2000 GTA Today 9 Aug. 6/2 Many small mammals, such as gerbils and hamsters, are nocturnal... If you decide to keep him in your child's bedroom, have lots of oil on hand for that squeaky exercise wheel! < as lemmas |
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