Precipitinogen
n. [医]沉淀原, 沉淀素原
🗣️ 情景例句
She cheated on the examination.
她考试作弊。
Can I get a seat for today's 7:00 a.m. train?
我可以买到今天上午7点的火车座位吗？
Nothing much. Why?
没啥事。怎么啦？