名詞 vireo:

1. any of various small insectivorous American birds chiefly olive-grey in color

1. Buyer vireo firm will never agree no use argue him further but may be harmful.
   買(mǎi)主主意已定，再勉強(qiáng)也不會(huì)同意，只會(huì)傷和氣。

vir.e.o

n.（名詞）
【復(fù)數(shù)】 vir.e.os
Any of various small insect-eating New World songbirds of the genusVireo, having grayish or greenish plumage.
綠鵑：新大陸的幾種綠鵑 屬的食蟲(chóng)小鳥(niǎo)之一，善鳴叫，有灰色或綠色的羽毛

來(lái)源：
Latin vireô [a kind of bird]
拉丁語(yǔ) vireô [一種鳥(niǎo)]
from virôre [to be green]
源自 virôre [綠色]