(1) er, ir, ur,通常读长音/ə:/。例如:term, her, girl, bird, nurse, hurt
(2) or在/w/之后也读/ə:/。在其他情况下读/:/例如:word, worker, world, worm,afford, corn, horse
(3) er, ir, ur, or在非重读音节里读短元音/ə/,如:river, farmer, teacher, doctor。
(1) er, ir, ur,通常读长音/ə:/。例如:term, her, girl, bird, nurse, hurt
(2) or在/w/之后也读/ə:/。在其他情况下读/:/例如:word, worker, world, worm,afford, corn, horse
(3) er, ir, ur, or在非重读音节里读短元音/ə/,如:river, farmer, teacher, doctor。