2 sentences for 无损 (wú​sǔn)

1. 我下载了一个无损压缩的音频文件。

   wǒ xià​zǎi le yī gè wú​sǔn yā​suō de yīn​pín wén​jiàn.

   I downloaded a losslessly compressed audio file.

   Source: Dong Chinese Dictionary

2. 虽然经历了大火，但图书馆的书籍依然完好无损。

   suī​rán jīng​lì le dà​huǒ, dàn tú​shū​guǎn de shū​jí yī​rán wán​hǎo wú​sǔn.

   Despite the fire, the books in the library remain intact.

   Source: Dong Chinese Dictionary