| 单词 | rotary |
| 释义 | rotary adj. & n. --adj acting by rotation (rotary drill; rotary pump). --n (pl. -ies) 1. a rotary machine. 2. US a traffic roundabout. 3. (Rotary) (in full Rotary International) a worldwide charitable society of businessmen, orig. named from members entertaining in rotation. Phrases and idioms Rotary club a local branch of Rotary. rotary-wing (of an aircraft) deriving lift from rotary aerofoils. Etymology: med.L rotarius (as ROTA) |
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