A child begins in a colour tube, allowing its interest to guide it through various fields of knowledge and explore their interconnections.
色彩缤纷的设计能够引起儿童的兴趣，从而引导并激发他们对不同领域的知识和相关学科的探索。
2
Touramaline has many varieties in the nature, and a majority of powder of them is black or cinerous, so their application in the fields where need colour requirements is affected.
自然界产出的电气石品种很多，大部分粉末是黑色或灰色的，在一些需要色泽要求的领域应用受到较大的影响。
3
When he was a little boy, he had played in fields of that strong blue-green colour.