| 单词 | rudder |
| 释义 | rudder —ruddered, adj. —rudderless, adj. —rudderlike, adj. /rud"euhr/, n. 1. Naut. a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel's direction when in motion. 2. Aeron. a movable control surface attached to a vertical stabilizer, located at the rear of an airplane and used, along with the ailerons, to turn the airplane. 3. any means of or device for governing, directing, or guiding a course, as a leader or principle: His ideas provided a rudder for the new company. [bef. 900; ME rodder, rother, ruder, OE rother; c. OFris rother, MD roder (D roer), OHG ruodar (G Ruder); akin to ROW2] |
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