pyrimido-

例句：

1. 1. The pyrimid was a symbol of the ancient Egyptians' belief in the afterlife.
   这个蜻蜓是古埃及人对来世信仰的象征。
2. 2. Pyrimidium is a rare mineral that occurs naturally in small amounts.
   吡米汀是一种天然存在的稀有矿物，自然含量很少。
3. 3. The pyrimid was found on the surface of Mars, which is believed to have been volcanically formed.
   这种蜻蜓在火星表面被发现，人们相信它是由火山活动形成的。