5 sentences

1. 这种琴的音色非常特别。

   zhè zhǒng qín de yīn​sè fēi​cháng tè​bié.

   The timbre of this instrument is very special.

   Source: Dong Chinese Dictionary

2. 吉他的音箱决定了它的音色和音量。

   jí​tā de yīn​xiāng jué​dìng le tā de yīn​sè hé yīn​liàng.

   A guitar's soundbox determines its tone and volume.

   Source: Dong Chinese Dictionary

3. 在声学中，谐音的组成决定了乐器的音色。

   zài shēng​xué zhōng, xié​yīn de zǔ​chéng jué​dìng le yuè​qì de yīn​sè.

   In acoustics, the composition of harmonics determines the timbre of an instrument.

   Source: Dong Chinese Dictionary

4. 这把二胡的弓是用马尾做的，音色非常优美。

   zhè bǎ èr​hú de gōng shì yòng mǎ​wěi zuò de, yīn​sè fēi​cháng yōu​měi.

   The bow of this erhu is made of horsehair, and its tone is very beautiful.

   Source: Dong Chinese Dictionary

5. 这张琴的音色古朴，是他请老师傅用老杉木精心制作的。

   zhè zhāng qín de yīn​sè gǔ​pǔ, shì tā qǐng lǎo​shī​fu yòng lǎo shān​mù jīng​xīn zhì​zuò de.

   The tone of this guqin is antique and simple; he had an old master craftsman carefully create it using aged fir wood.

   Source: Dong Chinese Dictionary