Blackboard model
[计] 黑板模型
🧩 词语组成解析
🗣️ 情景例句
What happened?
怎么样？
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
He told him he had better return it or he would call the police.
告诉他最好把羊交还，否则就去叫警察。