Regular octahedron
正八面體
?? 詞語組成解析
regular
['r?gj?l?]
adj. 有規律的;規則，整齊的;不變的;合格的;
n. 正規軍;主力（或正式）隊員;常客;
adv. 定期地;經常地;
reg國王+ular...的 → 國王統治的 → 規則的
octahedron
[[??kt?'hi:dr?n]]
n. 八面體
??? 情景例句
The college I applied to has accepted me.
我報名的學院已經錄取我了。
Yes, you can. Would you please show me your card?
可以，讓我看看您的卡。
Reward or punishment are meted out quite independent of human interference.
獎懲的實施是不受人意志支配的。