Poly-fluid theory
[化] 多流体理论
🧩 词语组成解析
n. 理工学院, 工艺高等专科学校\\n[化] 聚尿苷酸
🗣️ 情景例句
Would you please make a record of all your foreign currencies?
请把你所带的外币登记一下，好吗？
I'm an American by birth.
我是土生土长的美国人。
and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.
因此，尽管制造这些工具的人的骨头早已荡然无存，但远古时代的石头工具却保存了下来。