10 ten [英][ten] [ 美] [tɛn]
20 twenty [英][ˈtwenti] [美][ˈtwɛnti, ˈtwʌn-]
30 thirty [英]['θɜ:tɪ] [美][ˈθə:ti]
40 forty [英]['fɔ:tɪ] [美][ˈfɔrti]
50 fifty [英]['fɪftɪ] [美][ˈfɪfti]
60 sixty [英]['sɪkstɪ] [美][ˈsɪksti]
70 seventy [英][ˈsevnti] [美][ˈsɛvənti]
80 eighty [英]['eɪtɪ] [美][ˈeti]
90 ninety [英]['naɪntɪ] [美][ˈnaɪnti]
追答why
追问点错了!!!!我的错