Aftershaft

[ɑ:ftәʃɑ:ft]

解釋/意思:

(noun.) a supplementary feather (usually small) on the underside of the base of the shaft of some feathers in some birds.

校對:诺艾尔--From WordNet

解釋/意思:

(n.) The hypoptilum.

卡尔文校對