Fia-method
[化] 荧光指示剂吸附法
🧩 词语组成解析
[化] 流动注射分析
🗣️ 情景例句
There's something I have to ask you.
我有一件事要问你 。
I'm afraid you will be discouraged.
我怕你会灰心。
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。