Sall
abbr. 自主语言学习（Self-access Language Learning）
🗣️ 情景例句
Yes. I have an upset stomach.
是的，我的胃很难受。
No. It only goes as far as Main Street, but you can get the Number 31 there.
不去，最远只到正街。不过你可以到那里再乘31路。
A man may acquire great knowledge of topics unconnected with his daily work,
一个人可能会获得与其日常工作无关的某些课题的渊博知识，