Protoptile
原始羽毛
??? 情景例句
Why advanced?
為什么是高級(jí)的？
He that regards not a penny,will lavish a pound.
小錢不知節(jié)省，大錢將濫花。
The towers are further apart at the top than at the base, but this is no mistake.
兩座塔樓的樓頂之間的距離比樓底之間的距離要大一些，但是這并不是錯(cuò)誤。