Backroll
[計] 重算, 重新運行, 反繞
??? 情景例句
The first word is snow.
第一個字是 雪 。
You'd better wear a light jacket.It's chilly today.
你今天最好穿一件淺色的夾克衫。 今天很冷。
Can I have a look at it?
我可以看一下嗎？