许多别的乐器她也演奏得相当出色。She was no mean performer on a variety of other instruments.他给他演示如何吹奏象牙吹口乐器。He showed him how to blow into the ivory mouthpiece.鼓是最古老的乐器之一。The drum is one of the oldest musical instruments....
The dorsal surface of its cuttlebone is yellowish and evenly convex.它的侧背面是微微的黄色,并且均匀的突起.dorsal muscles背肌Only the dorsal lip of the blastopore could induce altered development in the host.只有胚孔的背唇能够诱导宿主发育的改变.His dorsal fin...