英语听力精选进阶版 13962

（单词翻译）

Shrinking fish

Vocabulary

projections

predictions based on studies or evidence

relatively

comparatively

metabolic rates

the amounts of energy used over a certain period of time

oxygen

a chemical element which is essential for life

calculated

worked out

shrink

get smaller

warming waters

seas which are getting hotter

poles

the most northerly and southerly points on the Earth's axis

underestimate

misjudge

case studies

specific examples