BBC News Review: How do vampire bats survive on blood?

source: BBC Learning English       2018年2月20日
Scientists have discovered how vampire bats can survive on a blood-only diet. Neil and Catherine teach you the language the world's media is using to discuss this story.
Find out more and test your understanding: http://www.bbc.co.uk/learnin...

Vocabulary:
bloodthirsty: keen to enjoy violence
iron guts: the ability to eat or drink anything without vomiting
live off: depend on something or someone for money or food