Edits
abbr. 实验数字电视系统（Experimental Digital Television System）
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
How much cloth does it take to make a skirt for the girl?
女孩做一条裙子要用多少布？