Regular octahedron
正八面体
🧩 词语组成解析
regular
['rɛgjəlɚ]
adj. 有规律的;规则，整齐的;不变的;合格的;
n. 正规军;主力（或正式）队员;常客;
adv. 定期地;经常地;
reg国王+ular...的 → 国王统治的 → 规则的
octahedron
[[ˌɔktə'hi:drən]]
n. 八面体
🗣️ 情景例句
It's not as bad as all that.
事情没有那么糟。
Did you go to the party yesterday?
你昨天去参加聚会了吗？
'I've just arrived by train,' she said.'I'm coming to see you.
“我刚下火车，”她说，“我这就来看你。