04. The story of silk
The story of silk dates back over 5,000 years ago to ancient China. Silk is a natural fiber that is produced by the larvae of certain insects such as silkworms.
Làm bài tại lanaenglish.com
The story of silk dates back over 5,000 years ago to ancient China. Silk is a natural fiber that is produced by the larvae of certain insects such as silkworms.
Làm bài tại lanaenglish.com