app.py

import streamlit as st

st.markdown("""

# AI模型輔助語言學習 

## Language Learning Assisted by AI Models

- 開啟左側選單可選擇語言，目前支援華語、日語和英語。
  - Select a language from the sidebar. Supported languages include Mandarin, Japanese, and English.
- 選單自動隱藏時，點選左上角 > 符號以開啟選單。
  - If the sidebar is hidden, click on the > symbol in the upper left corner to open it.
  
""")