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n. 纵梁, 楼梯基
✅ 同义词
🗣️ 情景例句
I'll be back with them.
我会带他们来。
Please do not touch the wet paint.
油漆未干，请勿触摸。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。