Here are a few options for the description of the WordPress post_tag “物理性質” in Traditional Chinese, ranging in specificity and detail:

**Option 1: Concise and General**

* **Description:** 描述物質的物理特性，例如密度、硬度、熔點等。 (Describes the physical properties of a substance, such as density, hardness, melting point, etc.)

**Option 2: Slightly More Specific**

* **Description:** 深入探讨物質的物理性質，包括其可觀察且可測量的特性。 (Provides in-depth exploration of the physical properties of a substance, including its observable and measurable characteristics.)

**Option 3: Emphasizing Practical Applications**

* **Description:** 物理性質的相關資訊，對理解物質的應用和行為至關重要。 (Information related to physical properties, crucial for understanding the applications and behavior of substances.)

**Option 4: Broad and Introductory**

* **Description:** 探索物質的物理性質，包括其狀態、形狀、顏色、硬度、導電性、磁性等。 (Explore the physical properties of matter, including its state, shape, color, hardness, conductivity, magnetism, etc.)

**Which option is best depends on your overall blog’s content and target audience:**

* If your blog focuses solely on scientific topics, Option 2 or 3 might be a good fit.
* If you are aiming for a more general audience or beginner level, Option 4 might be preferable.
* For quick and convenient tag, Option 1 is good too.

**How to Implement:**

When you’re editing the tag in WordPress (usually under “Tags” or a similar section under your post editor), you’ll find a field for description. You can simply copy and paste the chosen description into that field.