蒙古虽然贫穷，却有相当储量未利用的石油和矿物资源。

Mongolia, although poor, has considerable untapped resources of oil and minerals.

《柯林斯英汉双解大词典》

海底还有大量未利用的石油资源。

There are still vast virgin reserves of oil under the sea.

youdao

对滩涂、盐碱地、荒草地、裸土地等未利用的宜农土地进行开发利用。

We should also develop and utilize the unutilized land suitable for farming, including the low beaches, saline-alkali land, weeds land, and bare land, etc.

youdao

With the abhorred shears she cruelly punishes the virgin poet for his failure on the one hand to use the sexual body that God has endowed him with, but you also have the image here of the poet's death.

她用剪刀残忍了惩罚了未失童真的诗人,一方面因为他没能利用上帝赋予他的,性的肉体，但这里也有诗人死亡的形象。

耶鲁公开课 - 弥尔顿课程节选

The idea, from the beginning at the SEC, was that insiders should not be allowed to trade on information that is not properly disclosed to the public.

证交会从成立开始就规定,局内人不得利用未公开披露的信息,进行内幕交易

耶鲁公开课 - 金融市场课程节选