Dibenzthioxine
夹氧硫杂蒽
🗣️ 情景例句
This is a rough group.
这是一群粗野的孩子。
When is he expected to be back?
他什么时候回来？
If a shop assistant told him she had not heard of it, he would pretend to be considerably put out.
要是女售货员告诉他从未听说过这些东西，他会装出十分遗憾和不安的样子。