Cohydrol
石墨的胶态溶液
🗣️ 情景例句
That's Mr. Steven Lu, from Taipei?
您是Steven Lu，从台北来的？
This nation is noted for its scientific accomplishments.
这个国家以科学成就闻名。
Where're Lucy's pencils? Are they on her desk?
露茜的铅笔哪去了？在她的桌子上吗？