Uraninite is the only ore mineral.

唯一的矿石矿物为晶质铀矿。

youdao

A yellow to brown or red mineral, CdS, the only ore of cadmium.

硫镉矿一种黄褐色或红色的矿石，硫化镉，为镉的唯一的矿石。

youdao

That now falls to 30% (lower, on some calculations) and applies only to iron ore and coal.

这一税收的税率如今降至30%(通过某种计算方法税率会更低)并且中对铁矿石和煤征收。

youdao

The only ore of tin that we care about is cassiterite.

FORBES: After Conflict Minerals Comes The Death Metal: Tin. And It's Apple's Fault Again.

The revised proposal now applies only to iron ore and coal, and would kick in only when profits exceed 12% rather than the 5% in the original plan.

ECONOMIST: Business this week | The

Around the U.S., only the Portland, Ore. area (22.4%) and Seattle (15.5%) come close to that exposure.

FORBES: Paradigm shift