Parodontitis
牙周炎
🗣️ 情景例句
I have a suggestion for you ...
我有一个建议……
You really don't have anything to apologize for.
你真的没什么可道歉的。
I'm not sure. I think he may have to help his Dad in the garden.
我不清楚。我想可能他得帮助他爸爸在花园里干活。