Precipitogen
[医] 沉淀原, 沉淀素原
🗣️ 情景例句
I need to cancel that. We have had a last minute change of plans.
我要取消预约，我们临时改变计划了。
Please let me see them.
让我看看。
It happened to a friend of mine a year ago.
这是一年前发生在我的一个朋友身上的故事。