Rigid solid
[化] 欧几里得体; 刚性体
🧩 词语组成解析
🗣️ 情景例句
You'd better watch your step or you'll get into trouble again.
你最好留点儿神， 免得再惹麻烦。
What's done can't be undone.
无可挽回。 泼水难收？
There aren't enough candles, said ann. There are only twelve. We'll need one more.
“蜡烛不够呀，”安说，“只有12支。我们还需要一支。”