Here are a few options for a WordPress post tag description, using Traditional Chinese, with varying levels of detail and emphasis, based on your title “淋巴細胞”:

**Option 1: Concise and Direct**

* **Description:** 淋巴細胞的相關資訊，包括其功能、類型及在免疫系統中的角色。 (Information related to lymphocytes, including their function, types, and role in the immune system.)

**Option 2: Slightly More Informative**

* **Description:** 探索淋巴細胞的世界。了解淋巴細胞的不同種類（例如T細胞、B細胞）及其在對抗疾病方面的作用。 (Explore the world of lymphocytes. Learn about different types of lymphocytes (e.g., T cells, B cells) and their role in fighting disease.)

**Option 3: Focusing on Medical Context (Assuming the post is medical-related)**

* **Description:** 關於淋巴細胞的深入分析，探討其在血液和免疫系統中的作用，以及與疾病（如淋巴瘤）的關係。 (In-depth analysis of lymphocytes, exploring their role in the blood and immune system, and their relationship to diseases such as lymphoma.)

**Option 4: More Broad and Engaging**

* **Description:** 深入探討淋巴細胞，人體免疫系統中的重要組成部分。 了解淋巴細胞如何幫助我們抵禦疾病，並探索與淋巴細胞相關的健康問題。 (Delve into lymphocytes, an important component of the human immune system. Learn how lymphocytes help us fight disease, and explore health issues related to lymphocytes.)

**Which option to choose depends on the content of your WordPress post.** Choose the description that best reflects the scope and focus of your article.

Here’s how you would typically add this description in WordPress:

1. **Go to the Post Tags page:** In your WordPress admin dashboard, navigate to Posts > Tags.
2. **Find the tag:** Locate the tag titled “淋巴細胞” (you may need to search).
3. **Edit the tag:** Click the “Edit” link under the tag.
4. **Fill in the description:** In the “Description” field, paste your chosen description from above.
5. **Update the tag:** Click the “Update” button.