"Many tribes decreased their numbers, disappeared or lost their homeland, language or cultural identity," Arthur and Diamond write in the Nov. 18 issue of the journal Science.

许多印第安部族要么人口减少、最终消失，要么就是丢失了家园、语言或是文化认同感，而纳瓦霍部族却是个令人吃惊的特例。

youdao

The Smiths were well pleased when the long-lost diamond ring came to light.

丢失很久的钻石戒指被发现时，史密斯一家高兴极了。

youdao

She thought the diamond was lost until she saw something glinting on the carpet.

她以为那颗钻石已丢失，后来看见地毯上有东西闪闪发光遂失而复得。

youdao

Mr Agius said he was summoned to a meeting with Bank of England governor Mervyn King on the evening of Monday 2 July, the day he resigned, where he was told in no uncertain terms that the regulators had lost confidence in Mr Diamond.

BBC: Libor scandal: Bob Diamond 'dismayed' by MPs' claims

Sarries coach Rod Kafer is hopeful the arrival of assistant coach Steve Diamond from Sale will add some impetus to a Saracens side that lost yet again at home.

BBC: SPORT | Rugby Union | English | Saracens 18-22 Northampton

Colchester and Southend both lost out to Chelmsford to become one of three new UK cities named as part of the Queen's Diamond Jubilee.

BBC: Colchester and Southend reflect on failed city bids