front opening basic line大襟斜线
Opening-closing line开闭排
Iterating the opening line第一句迭代一百次
sleeve opening line袖口线;服装部位英语
Opening of the line线路开放;线路打开
Crafting the opening line试写第一句
A Great Opening Line在真很棒开场白
Number of the Opening line开行对数
line opening管道开口