树干

Said in one Chinese podcast line.

• 经年累月地把它藏在树干里

  Over the years, it has been hidden in the trunk.

  

  有聲好書湖濱散記 (第三十三至三十六集 完結篇)

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Chinese books and courses on Amazon (affiliate link).