主页 > 词条 > 波斯尼亚语 (BS) > crni safir
crni safir
Form of corundum with a black/green hue due to Fe and titanium impurities.
0
0
完善词条
您想要说什么?
新闻词条
精选词条
Danionella dracula
a new species of fish discovered in the Mekong River region in 2009. The Dracula fish is so named because it has two fangs at the front of its top ...