Ulitis
龈炎
🗣️ 情景例句
During your computer classes, did they teach you how to fix a cooling fan?
在你的电脑课程，他们是否教过你如何修理散热风扇？
Why are you always late? You're fired!
你怎么老是迟到？你被解雇了！
I'm sorry, Lucy.I'm afraid that I can't get up.
对不起，露西，恐怕我站不起来。