2 sentences

1. 这种家具是由优质杉木制成的。

   zhè zhǒng jiā​jù shì yóu yōu​zhì shān​mù zhì​chéng de.

   This furniture is made of high-quality fir wood.

   Source: Dong Chinese Dictionary

2. 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