Dissertated
vi. 讲演；论说；写论文
🗣️ 情景例句
T-O-P-S--means Talented Older People's Society. T-O-P-S
全名是优秀老人协会。
No, I don't think so.
不，我想不会。
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。