Triadaxis
三次对称轴
🗣️ 情景例句
We're right behind you.
我们都支持你。
I'm not rich. I wish I didn't have to pay the fine.
我不是富有人家，但愿不必交罚款。
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。