zhè / zhī / xiǎo / hào / de / cái / zhì / shì / huáng / tóng / ， / chuī / chū / lái / de / shēng / yīn / gé / wài / liáo / liàng / 。

这支小号的材质是黄铜，吹出来的声音格外嘹亮。

This trumpet is made of brass, and the sound it produces is particularly loud and clear.