Sall
abbr. 自主语言学习（Self-access Language Learning）
🗣️ 情景例句
If you watch carefully you will see how to do it.
你若细心观察，就会知道怎么做这件事。
That fellow never pays his bills on time.
那个男人从没按时付过账。
It is time that we made a decision.
是我们作出决定的时候了。