Propositus
[医] 渊源人, 基人, 先证者(指某一疾病的最早罹患的人)
🗣️ 情景例句
Oh, you're welcome.
噢！请别客气。
The beginnings of all things are small.
万事开头小。
It can copy a long report and sort the copies and pin them together.
现它可以复印长篇的报告，把复印件分类，并装订起来。