Aphthosis
口疮病
🗣️ 情景例句
No. I'm sorry, but we can't send out our tow truck to get you.
不能，真对不起，我们不能派拖车来。
I ask him to take this medicine.
我要求他吃药。
What will be the population of the world in the year 2000?
2000年世界人口将是多少？