BBC在线收听下载:澳大利亚科学家研究植被来寻找矿产

短语讲解：

1. Exhausted firefighters have been preparing for their most challenging day yet.

prepare for （使）为…作准备；（使）对…有思想准备
例句：Now is the time to prepare for the worst.
现在就应该为最坏的状况做准备。

2. On Monday they joined up two large fires to make one that’s easier to manage.

join up 参军；入伍；（使）合拢
例句：They nearly wouldn't let him join up at all.
他们差点不让你爸加入。

3. Almost 120,000 hectares have been raised by the fires so far and more than 2,000 firefighters have been trying to get them under control but that has not prevented the loss of more than 200 homes.

more than 多于
例句：Running releases more than just sweat.
跑步释放的不止是汗水。

4. Cuba has announced plans to scrap the dual currency system which has been operating for two decades, the change means that Cubans will eventually be able to buy all goods and services in the same currency their wages are paid.

be able to 能够
例句：Maybe he will be able to talk with them longer.
那个时候或许他们能聊的久一点。

5. It was an elaborate scan to dupe connoisseurs into paying up to 11,000 dollars a bottle for cheap plunk labeled as Romanee Conti, a legendary Burgundy red, it’s one of the world's finest and most expensive wines.

pay up 全部还清，付清
例句：What if they don't pay up?
那如果他们不付钱呢？

6. They are suspected of netting nearly three million dollars by selling at least 400 fake bottles.

at least 至少
例句：Read at least 30 books.
至少读30本书。