| 单词 | aftershaft |
| 释义 | aftershaft (once / 2363863 pages) n WORD FAMILY aftershaft USAGE EXAMPLESOnly in the cassowary and emu among adult birds is the aftershaft as large as the main shaft. Various, Encyclopaedia Britannica, 11th Edit...(2011) n a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds Hyper feather, plumage, plume the light horny waterproof structure forming the external covering of birds |
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