noun, plural rec·tric·ces [rek-trahy-seez, rek-truh-seez]. Ornithology. ib tug Tsov tus tw ntawm ib tug noog tswj kev taw qhia thaum lub davhlau.
lo lus Rectrices txhais li cas?
rectrix • \REK-triks\ • noun.: ib qho ntawm cov quill feathers ntawm ib tug noog tus Tsov tus tw uas yog ib qho tseem ceeb rau kev tswj kev ya davhlau. Piv txwv: Feem ntau, koj tsuas muaj caij nyoog pom feem ntau lossis tag nrho cov noog lub rectrices yog thaum cov noog nyob hauv davhlau."
Cov noog Rectrices yog dab tsi?
Rectrices: lub davhlau plaub ntawm tus Tsov tus tw. Feem ntau cov noog muaj 10-12 rectrices. Secondary: ib tug ntawm cov tis sab hauv lub davhlau feathers, uas yog txuas mus rau lub ulna pob txha nyob rau hauv tus noog "forearm." Tus naj npawb thib ob txawv ntawm 9-25 nyob ntawm hom.
Lub ntsiab lus ntawm retrix yog dab tsi?
n. (Zooology) txhua yam ntawm cov tawv tawv loj uas npog lub tis thiab tus Tsov tus tw ntawm tus noog thiab yoog rau ya.
Tus Rectoress yog dab tsi?
: tus poj niam ntawm tus kws kho mob.
