陈丹丹英语单词怎么写

1.1到30的序数词英文怎么写首先搞清楚基数词和序数词,
基数词,表示数量,1,2,3,表示多少个
序数词,表示顺序,第1,第2,第3,表示第几个
【陈丹丹英语单词怎么写】1-30的序数词,前3个是特殊情况,需要单独记忆,从4开始往后,基本上都是在基数词的词根后面加th,但是词根变化较多,尤其结尾部分,要注意 。
还有,所有序数词之前,都要加the 。
1-10,first, second, third,fourth,fifth,sixth,seventh,eighth,ninth,tenth
11-20,eleventh,twelfth,thirteenth,fourteenth,fifteenth,sixteenth,seventeenth,eighteenth,nineteenth,twentieth
21-30,twenty first, twenty second,twenty third,twenty-fourth,twenty-fifth,twenth-sixth, twenty-seventh,twenty-eighth,twenty-ninth,thirtieth

陈丹丹英语单词怎么写

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