tooth 怎么读
good长音还是短音？
good长音还是短音？
短音。英语单词有oo的，大部分读长音，如food,noon,mood,noodle,pool，choose,soon,tooth,wool等等。
小部分读短音，如look,foot,good,wood等等。
字音组合的发音规律？
元音字母Oo与其他字母组合的发音体系
1、or组合的读音
1.1 or在重读音节中读[:]
for [f:] short [:t] sport [sp:t] born [b:n] report [ri#39p:t] north [n:θ] fork [f:k] nor [n:] order [#39:d] corner [#39k:n] storm [st:m] afford [#39f:d]
performance [p#39f:mns] pork [p:k]
1.2 or在非重读音节中读[ ]
conductor [kn#39dkt] scissors [#39sizz] comfortable [#39kmftbl] inventor [in#39vent]
1.3 or在W后读[ε:]
work [w:k] word [w:d] world [w:ld] worse [w:s] worth [w:θ]
2、ore---[:]
before [bi#39f:] more [m:] score [sk:]
explore [iks#39pl:] store [st:]
3、oo-- [u:] [] []
3.1 重读音节中发，在f l m n p s t前发 [u:]
too [tu:] room [ru:m] broom [bru:m] noon [nu:n] zoo [zu:] noodle [#39nu:dl] soon [su:n] moon [mu:n] spoon [spu:n] cool [ku:l] pool [pu:l]
bamboo [bm#39bu:] cook look hook
roof(屋顶) school(学校) room(房间) soon(不久) loop(圈,环) goose(鹅)
boot(靴子) tooth(牙齿) （特记wool[u](羊毛) foot[u](脚)）
3.2 在k d 前发 []
book [buk] look [luk] good [gud] cook [kuk] wool [wul] wood [wud]
（特记food）
3.3 在l和d中间 []
flood [fld] blood [bld]
3.4 后接r时 发/:/ door floor
4、oi [i]
toilet [#39tilit] coin [kin] oil [il] noise [niz] voice [vis] spoil [spil] s
oil [sil] point [pint] join [jin]
5. old-/ld/ cold
6. ou-// young country enough
/u:/ group soup you
/a/ touchhousesoup cloud
7 . our--/ a / our hour ours
/:/ four course your
8. oul--// could
9 oa-/ / boat [but] coat [kut] road [rud] download [#39daunlud]
goal [gul] throat(特记abroad/:/在海外)
10.oi oy --// oilnoise boy toy joy
11.ow-/ /slow crow growblow flower tomorrow
/a/ cow now how
12.ough /:/:bought,thought