d, k之前读短[u],food一词是特例;
t前读长[u:],foot需要特殊记;
复合词中要读短,其余多数读长[u:];
l, s, d间读作[ʌ],例外还要特殊记。
oo在单词中的发音主要有长音[u:]和短音[u]两种:
(1) 重读音节词尾发[u:] too zoo bamboo cuckoo kangaroo shampoo
(2) 在辅音字母f,l,m,n,s,t,p,z前的重读音节发[u:]
roof proof
school fool cool pool tool stool (wool [wul]例外)
room broom groom bloom gloom
Soon moon noon spoon
goose loose choose
boot root tooth shoot smooth soothe (foot football [u]例外)
troop loop oozy
(3) 在字母d和k前发[u]
good goods wood stood goodness (food[fu:d] mood [mu:d]特例)
book look cook hook took shook brook outlook cookie
(4)在复合词(双音节或多音节词)的非重读音节中发[u]
bedroom bathroom classroom workroom childhood boyhood
neigbourhood readingroom mushroom understood
(5) 在复合词(双音节或多音节词)的重读音节中发[u:]
afternoon cartoon balloon cocoon moonlight noodle
typhoon saloon schoolboy
注意1:在字母l和d之间发[ʌ] : blood flood
注意2:oor字母组合发/or/ : door floor (poor/ɔ:r / 例外