20到40英语单词怎么写一一列举出来

Question

少了

Answer 1

one two three four five six seven eight nine 这九个数字一定用牢记，用作个位数。整十数更要记好，twenty thirty forty 写在前，中间用一个连接符号，就是几十几。如：
twenty twenty-one twenty-two......twenty-nine
thirty thirty- one thirty-twp......thirty-nine forty