untapped

例句

An agreement between the U.S. and Kazakhstan has given a group of American investors with ties to the president and the commerce secretary access to one of the world's largest untapped reserves of tungsten.

美国与哈萨克斯坦之间的协议，使一批与总统及商务部长有关联的美国投资者，获得了全球最大未开发钨矿储量之一的开采权。

měi guó yǔ hā sà kè sī tǎn zhī jiān de xié yì ， shǐ yī pī yǔ zǒng tǒng jí shāng wù bù zhǎng yǒu guān lián de měi guó tóu zī zhě ， huò dé le quán qiú zuì dà wèi kāi fā wū kuàng chǔ liàng zhī yī de kāi cǎi quán 。

出处：The New York Times