Inundator
浸泡器
🗣️ 情景例句
I can tell.
我能觉察到。
Children enter primary school at the age of 7.
孩子们7岁进小学。
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。