第1个回答 2020-03-28
1到20的单词 :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 1到20的基数:1st first2nd second3rd third4th fourth5th fifth6th sixth7th seventh8th eighth9th ninth10th tenth11th eleventh12th twelfth13th thirteenth14th fourteenth15th fifteenth16th sixteenth17th seventeenth18th eighteenth19th nineteenth20th twentieth