Pentagonoid
a. 似五边形的
🗣️ 情景例句
Everyone saw the story in the Riverdale newspaper.
每个人都已看到Riverdale报纸上的新闻。
I'm glad you helped me.
我很高兴你能帮我的忙。
If explosives are used, vibrations will cause the roof of the mine to collapse.
如果用炸药爆破，震动会引起矿顶塌落。