Even many valuable materials like silver can be used to make chopsticks.
甚至许多贵重的材料，如银，都可以用来做筷子。
The main application fields of silver are:(1)photographic materials;
前言： 综述了银的主要应用领域：（1）感光材料；
Silver Heron, real materials to do their own.
银鹭，真材实材做自己。
Silver Heron, real materials to do their own.
银鹭，真材实材做自己。
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