特殊:snooker n. 斯诺克台球 除外二. 其它情况,一般发长音/uː/ school、 fool、cool 、pool、tool 、stool 等 特殊: foot 脚,soot煤烟,羊毛wool 三.OO在ld之间发短音常见单词只有两个:blood,flood鲜血,洪水
词源:From Middle English chiken , from Old English ċicen, ċycen , of uncertain origin. Possibly from Proto-West Germanic kiukīn , or alternatively from Proto-West Germanic kukkīn, equivalent to cock + -en.
词源:19th century: from German Chromosom, ultimately from Ancient Greek χρῶμα + σῶμα . Equivalent to chromo- + -some.
词源:From Middle English hot, hat, from Old English hāt, from Proto-Germanic haitaz , from Proto-Indo-European kay- . Cognate with Scots hate, hait , North Frisian hiet , Saterland Frisian heet , West Frisian hjit , Dutch heet , Low German het , German Low German heet , German heiß , Danish hed , Swedish het , Icelandic heitur .