Silice
二氧化硅
🗣️ 情景例句
Not a bad idea, Robbie.
蛮好的主意， Robbie。
Who can best handle the problem?
谁能将那问题处理得最好？
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。