| 释义 |
thumb buster
- a knob attached to a car or truck’s steering wheel to help the driver make turns quickly US
When the steering wheel returns to its normal position, the knob can injure the hand of a driver who is not careful. - — Montie Tak, Truck Talk, p. 168, 1971
- a railway mechanic US
- — Ramon Adams, The Language of the Railroader, p. 157, 1977
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