Dissertating
vi. 讲演；论说；写论文
🗣️ 情景例句
You are in great condition. I can't believe it!
你的身体太好啦。我简直不敢相信。
Please send your report to me at the office by Monday.
请于周一以前将报告送到我的办公室。
Yes, I have.
是的，我刚去过。