Spectrograde
光谱级(的), 光谱纯(的)
🗣️ 情景例句
It's not easy,
实在不容易。
Do you have any goods to declare for customs?
你有任何物品要在海关呈报吗？
Newspapers exert such tremendous influence that they can not only bring about major changes to the lives of ordinary people but can even overthrow a government.
新闻具有巨大的威力。它们不仅可以给寻常人家的生活带来重大的变化，甚至还能推翻一个政府。