Topics: Famous Americans – Casey Jones; Classic TV – Happy Days; to try out versus to examine versus to test; dude and buddy; courtesy of
Words:
railroad
flagman
(train) engineer
whistle
shift
hero
ballad
middle-class
drive-in
epitome
cool
season
to try out
to examine
to test
dude
buddy
courtesy of
n. 礼貌,好意,恩惠