| 单词 | rectrix |
| 释义 | rectrix —rectricial /rek trish"euhl/, adj. /rek"triks/, n. , pl. rectrices /rek truy"seez, rek"treuh seez'/. Ornith. one of the tail feathers of a bird controlling direction during flight. [1605-15; < L rectrix, fem. of rector RECTOR] |
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