Three Collocations From the Chapter
Every individual word here is easy at this level — the gap is only in the pairing, which is why these are worth drilling on their own.
| Collocation | Meaning | From the chapter |
|---|
| conserve energy | to save or not waste energy, so it lasts longer | '...usually spend most of their time sleeping in order to conserve their energy.' |
| sum (something) up | to describe the main point of something in a short, clear way | 'Another visitor to the koala exhibit sums it up best when he says...' |
| add pressure to | to make a difficult situation even more difficult | '...each tree that is lost or cut down adds more pressure to the already vulnerable state of these animals.' |