Here are a few options for WordPress post tag descriptions in Traditional Chinese for “蛋白石知識,” catering to different levels of detail and user experience:

**Option 1: Concise & Broad**

* **Description:** 了解蛋白石的知識，包括其種類、特性、保養及價值。 (Understand the knowledge of opals, including their types, characteristics, care, and value.)

**Option 2: Slightly More Detailed**

* **Description:** 深入探索蛋白石的繽紛世界，學習關於蛋白石的各種知識，從礦物學到選購技巧，一應俱全。 (Delve into the colorful world of opals. Learn all kinds of knowledge about opals, from mineralogy to buying tips, covering everything.)

**Option 3: Focus on Practicality**

* **Description:** 關於蛋白石的實用資訊，包括如何鑑別真假、清潔保養、以及欣賞蛋白石的獨特魅力。 (Practical information about opals, including how to distinguish between genuine and fake, cleaning and maintenance, and appreciating the unique charm of opals.)

**Option 4: Encouraging Exploration**

* **Description:** 想成為蛋白石專家嗎？在這裡，你可以找到關於蛋白石的各種知識，開啟你的寶石探索之旅！ (Want to become an opal expert? Here you can find all kinds of knowledge about opals, start your gemstone exploration journey!)

**To choose the best description, consider:**

* **Target Audience:** Who are you writing for? Beginners? Jewelry enthusiasts?
* **Post Content:** What specific information is covered in the related posts?
* **SEO:** Does the description contain relevant keywords (e.g., “寶石,” “選購,” “保養”)?

You can select the one that best suits your needs or adjust it to your liking. Remember to add the description when creating or editing your WordPress tag. Good Luck!