colpoid

例句：

1. 1.The colpoid was found to be a rare mineral.
   这种矿物被发现是一种罕见的矿物质。
2. 2.The colpoid has been used in various applications.
   这种矿物已经被用于各种应用。
3. 3. The colpoid is believed to have originated from the Earth's crust.
   这种矿物被认为是来自地球地壳的。