Here are a few options for a WordPress `post_tag` description for the title “植物油” (Zhíwùyóu, Plant Oil) in Traditional Chinese, ranging from simple to slightly more detailed, along with explanations:

**Option 1: Simple and Concise**

* **Description:** 烹飪和美容中常用的植物提取油脂。 (Pēngrèn hé měiróng zhōng chángyòng de zhíwù tíchǔ zhīyóu.)
* **Translation:** Plant-extracted oils commonly used in cooking and beauty.
* **Explanation:** This is a straightforward and widely applicable description. It covers the two main uses of plant oils and is easy to understand.

**Option 2: Adding a Benefit**

* **Description:** 從植物中提取、可用於烹飪和護膚，提供健康的脂肪來源。 (Cóng zhíwù zhōng tíchǔ, kěyòngyú pēngrèn hé hùfū, tígōng jiànkāng de zhīfāng láiyuán.)
* **Translation:** Extracted from plants, usable for cooking and skincare, providing a source of healthy fats.
* **Explanation:** This description mentions the benefits of plant oils, specifically adding them as a source of healthy fats — a health-focused description targeting a common customer interest.

**Option 3: Focusing on Variety**

* **Description:** 各種來源的植物油，包括橄欖油、葵花籽油、椰子油等，應用廣泛。 (Gèzhǒng láiyuán de zhíwùyóu, bāokuò gǎnlǎnyóu, kuíhuāzǐyóu, yēzǐyóu děng, yìngyòng guǎngfàn.)
* **Translation:** Plant oils from various sources, including olive oil, sunflower oil, coconut oil, etc., with wide applications.
* **Explanation:** This description highlights the variety of plant oils and is useful if your content discusses different types.

**Option 4: For a Healthier/More Natural focus**

* **Description:** 從植物中提取的天然油，常用於烹飪，提供健康脂肪和有益成分。 (Cóng zhíwù zhōng tíchǔ de tiānrán yóu, chángyòngyú pēngrèn, tígōng jiànkāng zhīfāng hé yǒuyì chéngfèn.)
* **Translation:** Natural oils extracted from plants, commonly used in cooking, providing healthy fats and beneficial ingredients.
* **Explanation:** This focuses on ‘natural’ness and the benefits of plant oils.

**Recommendation:**

For general use, **Option 1 or 2 would be a solid choice.** The best option depends on the focus of your website and the content the “植物油” tag will be used with. If your site emphasizes healthy cooking or beauty tips, Option 2 is likely the best choice. If you focus on variety, go for option 3. It’s also important that your description use clear and natural language for your target audience’s understanding.