土豆视频:
R:
word, first, sure, earn
art, heart, part, far,
air, hair, where, chair,
or, horse, four, george
ear, here, fear, cheer,
hour, power, flower, shower,
L:
Code v.s cold
Hole, hold, call,
Fill v.s feel,
fit v.s. feet
Full vs. fool
L 在词中不发音:
Would, could, should,
Chalk, talk, walk (wok),
Calm, palm,
Salmon, folk
R + L
World, girl, hurl, pearl