colour centre crystal

例句：

1. 1. The painting is a masterpiece of colour.
   这幅画是色彩的杰作。
2. 2.She painted the room with warm colours.
   她用温暖的色彩给房间涂色。
3. 3.The artist used different colours to create the picture.
   艺术家使用不同的颜色来创作这幅画。
4. 1. The city is the economic centre of the country.
   这个城市是国家的经济中心。
5. 2. The project is the focus of the conference.
   这个项目是会议的重点。
6. 3. The heart of the forest is the centre of activity.
   森林的中心是活动最活跃的地方。
7. 1. The crystal was cut into beautiful shapes.
   这个水晶被切割成美丽的形状。
8. 2. The diamond is a rare and valuable crystal.
   钻石是一种稀有且珍贵的晶体。
9. 3.The mineral is composed of tiny crystals.
   这种矿物由微小的晶体组成。