字母oo发音顺口溜为:
"oo"发[u:]最常见,非重音中要短念。字母"k"前不能长,"好脚站木羊毛"短。"血"与"水灾"真特殊,"oo"读/ʌ/细分辨。"oo"加"r"读作/ɔː/,"poor"读/pɔː/好可怜。
常见总结:
oo读成短元音[u]的单词有:good/goods,wood,foot/footprint,childhood/boyhood/adulthood,stood/understood,classroom/sitting-room/reading-room,look/book/took/cook/cooker。
oo读成长元音[u:]的单词有:fool/foolish/school/cool/pool/tool,food,noodle,too/zoo,room/doom,boot,shoot,moon/mooncake/soon/noon,tooth,goose。(注意:这些单词中的oo在美式英语中读成短元音[u])
另外,单独的room中的oo读成长元音[u:],而由room构成的合成词中的oo读成短元音[u],如classroom/sitting-room/reading-room。