Word Drilling - TED - Mark Bezos: A life lesson from  a volunteer firefighter
Channel: Olga
Date: 2015-08-05

English with TED speakers!  
Learn English words by practising shadowing: listen to the native speaker and try to repeat his phrases with him several times until you speak at the same speed.

Words:
to supplement 
engaging 
pouring rain 
payload 
valiant 
avocation 
witness to