Sall
abbr. 自主语言学习（Self-access Language Learning）
🗣️ 情景例句
that Dad and you can spend more time together.
能使你和爸爸有更多的时间在一起。
I'm twenty-two (years old).
我二十二了。
I didn't know he was the richest person in the world.
我不知道他是世界上最有钱的人。