IELTS Cambridge 15 — Listening Test 4 - Part 3 - Chép chính tả

OK Jack before we plan our presentation about refrigeration let's discuss what we've discovered so far Fine Annie though I have to admit I haven't done much research yet Nor me but I found an interesting article about ice houses I'd seen some 18th and 19th century ones here in the UK so I knew they were often built in a shady area or underground close to lakes that might freeze in the winter Then blocks of ice could be cut and stored in the ice house But I didn't realise that insulating the blocks with straw or sawdust meant they didn't melt for months The ancient Romans had refrigeration too I didn't know that Yes