11 who was first课件ppt 完全形式 first second 缩写形式 1st 2nd
first-letter
sixty-two seventy eighty ninety hundred thirtieth thirty-first
abbreviation(缩写词 缩写词 dppm dts ecar ecn eco ee eh&s emr ems
图片内容是:first缩写
sectiona1a2ereviewthecardinalnumbersfromfirsttothirtyfirst
numbers 序数词(写法,读法) 缩写1st 2nd 3rd 4th 5th … first
制造业常用英文缩写大全
ltr first grade
英文缩写注释