... 单簧吹管乐器 saxphone 管乐器用黄铜trumpet metal 金属管乐器的 brass-wind ...
2
?管乐黄铜
管乐黄铜
双语例句
1
Light sent into the oil layer was confined there, bouncing between the metal and air boundaries. The beam spread out ever more quickly, generating a trumpet-shaped glow (see image).