| 单词 | rudder |
| 释义 | rudder n. 1. a a flat piece hinged vertically to the stern of a ship for steering. b a vertical aerofoil pivoted from the tailplane of an aircraft, for controlling its horizontal movement. 2. a guiding principle etc. Derivatives rudderless adj. Etymology: OE rother f. WG rothra- f. the stem of ROW(2) |
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