# (5) 加入抽換詞類

### 本篇教您的重點

* 如何建立抽換詞類？
* 如何在訓練句中標記抽換詞類？

### 重要概念

* **目的**\
  訓練機器人有效率地聽懂人類語言。
* **建立抽換詞**\
  告訴機器人需要聽懂的語句中，哪些是**可以代換的字詞**，就是建立**抽換詞**。

### 建立步驟

1. 到左欄**`機器人編輯`**點擊**`意圖`**點選**`抽換詞類`**
2. 點選**`＋`**新增抽換詞類並命名
3. 點選右上角**`＋抽換詞`**
4. 輸入新的抽換詞
5. 可點選**`＋同義詞`**填入同義詞

![](/files/-LbRzTPfr5g00M4KuErr)

### 標註方式

1. 到左欄**`機器人編輯`**點擊**`意圖`**
2. 選取或新增訓練句
3. 在訓練句中加上抽換詞類名稱，如：請問{{**飲品}}**多少錢？

![](/files/-LcjSiYHX4PRkzfHABm0)

### 您可能還想知道

* [什麼是抽換詞類？](https://docs.yoctol.ai/term/entity)
* [怎麼訓練和測試？](https://docs.yoctol.ai/guide/training_predict)
* [如何建立意圖及撰寫訓練句？](https://docs.yoctol.ai/guide/add_intent_utterance)


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