Pennone
四甲基-2-戊酮
🗣️ 情景例句
Harry, what would you like? Harry
你要什么？
What sort of guarantees are there against late delivery?
惩罚延迟发货有什么保证呢？
Now they have had special cages made to protect them from these monsters.
现在他们有了特制的笼子，用来保护他们免受大鱼的侵袭。