Precipitogen
[医] 沉淀原, 沉淀素原
🗣️ 情景例句
Your brother left his bag of film on the ferryboat.
你哥哥将他的旅行袋遗放在渡船上了。
I hope that I can make a worthwhile contribution to the efforts of this group.
我希望能对这个团体努力的成果提供有价值的贡献。
I don't know whether you realize it, but this condition is essential to us.
我不知道你是否了解，但是，这个条件对我们是必要的。