| 单词 | rudder |
| 释义 | Word Frequency rudder(ˈrʌdə) noun 1. nautical a pivoted vertical vane that projects into the water at the stern of a vessel and can be controlled by a tiller, wheel, or other apparatus to steer the vessel 2. a vertical control surface attached to the rear of the fin used to steer an aircraft, in conjunction with the ailerons 3. anything that guides or directs Derived forms rudderless (ˈrudderless) adjective Word origin Old English rōther; related to Old French rōther, Old High German ruodar, Old Norse rōthr. See row2 |
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