基数词 0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty...
1st = first 2nd = second 3rd=third 4th=fourth 5th=fifth 6th=sixth 7th=seventh 8th=eighth 9th=ninth 10th=tenth 11th=eleventh 12th=twelfth 13th=thirteenth 14th=fourteenth 15th=fifteenth 16th=sixteenth 17th=seventeenth 18th=eighteenth 19th=nineteenth 20th=twentieth 21st=twenty-first 22nd=tw...
1、one,two,three这三个变为序数词分别是first，second，third，这三个需单独记忆。2、从第四开始，基数词变为序数词都要加th。3、eight变为序数词的.'时候少个t不加只加h;nine变为序数词要去掉e再加th。4、ve结尾的单词five和twelve变为序数词时要把ve改为f，再加th。5、y结尾的单词即整...
first/second/third/fourth/fifth/sixth/seventh/eighth/ninth/tenth/ eleventh/twelfth/thirteenth/fourteenth/fifteenth/sixteenth/seventeenth/eighteenth/nineteenth/twentyth/ twenty-first...以此类推...thirty-first = =我容易么我~
基数词 0 zero 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thirteen 14 fourteen 15 fifteen 16 sixteen 17 seventeen 18 eighteen 19 nineteen 20 twenty 21 twenty...
1、1-30基数词 1-10：one、two、 three、 four、five、six、seven、 eight、 nine、ten 11-20：eleven、twelve、thirteen、fourteen、fifteen、sixteen、seventeen、eighteen、 nineteen、twenty；21-30：twenty-one、twenty- two、twenty- three、twenty- four、 twenty- five、twenty- six、twenty- ...
1-31的序数词的缩写如下：1－10：1st , 2nd , 3rd , 4th , 5th , 6th, 7th , 8th ,9th ,10th，11－20：11th，12th，13th，14th，15th，16th，17th，18th，19th，20th，21－31：21st , 22nd , 23rd , 24th , 25th , 26th, 27th , 28th ,29th ,30th，31st 1-100序数词的变化规律...
first (1st) 第一 second (2nd) 第二 third (3rd) 第三 fourth (4th) 第四 fifth (5th) 第五 sixth (6th) 第六 seventh (7th) 第七 eighth (8th) 第八 ninth (9th) 第九 tenth (10th) 第十 eleventh (11th) 第十一 twelfth (12th) 第十二 thirteenth (13th) 第十三 fourteenth (...
解释如下 基数词变序数词口诀：基变序，有规律，词尾加上-th。一，二，三，特殊记，词尾字母t，d，d。八去t，九除e，ve要用f替，ty将y变成i，th前面有个e。若是碰到几十几，前用基来后用序。整十基数变序数，先把ty变成tie，要是遇上两位数，十位基数，个位序，th最后加上去。
一、基数词：1 one；2 two； 3 three；4 four；5 five；6 six；7 seven；8 eight；9 nine；10 ten；11 eleven；12 twelve；13 thirteen；14 fourteen；15 fifteen； 16 sixteen；17 seventeen；18 eighteen；19 nineteen；20 twenty； 21 twenty-one；22 twenty-two；23 twenty-three；24 ...