Mercadium
汞镉橙(颜料)
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Knowledge makes humble; ignorance makes proud.
知识令人谦虚；无知使人骄傲。
In his twenties Frank used to make spare parts for aeroplanes.
20多岁的时候，弗兰克曾生产飞机零配件。