treasure的形容词形式

I want to give my sincere thanks to all the participates, for it is you who make the memory so treasurable.

是你们的参与让这份记忆变得更加弥足珍贵。

Today, these local history books have become treasurable literatures for people to study the history of Anyang.

现在这些志书已成为人们研究安阳历史的'珍贵文献。

on "t think it is not easy to give up even you really deeply loved. Too many chances don" t mean they are treasurable.

不要认为太爱了就不舍得放下，一次次的机会不一定就值得被珍惜！