challenging
加入词篮champion
chance
change
changeable
channel
chant
chaos
chapter
character
character
characteristic
charge
charge
chart
chart
chat
cheap
cheat
cheat
check
check-out
cheek
cheer
cheerful
cheers
cheese
chef
chemical
chemist
chemist
chemistry
cheque
chess
chest
chew
chick
chicken
chicken
chief
child
childhood
children
chimney
China
chinatown
Chinese
chip
chips
chocolate
choice
choir
choir
choke
choose
chopstick
chopsticks
chorus
chose
chosen
Christian
Christmas
church
cigar
cigarette
cinema
cinema
circle
circuit
circulate
circumstance
circus
citizen
city
civil
civilian
civilization
civilization
clap
clarify
class
class
class
classic
classical
classify
classmate
classmate
classroom
claw
clay
clean
cleaner
clear
clearly
clerk
clever
click
climate
climb
