英语听力精选进阶版 13909

Countries discuss Arctic claims

Vocabulary

temperatures

measures of how hot or cold things are

polar ice caps

common terms for the permanently frozen areas of ice at the North and South Poles

melt

turn from a solid to a liquid state

treasures

precious and valuable things

untapped

unused

reserves

goods or resources kept for future use

staked territorial claims

argued that the areas belong to their countries

expedition

journey, particularly to a place that has not been visited before, or the group of people that take that journey

titanium

a strong, light metal

determination

strong desire to achieve something