Regular tetrahedron
正四面体
🧩 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
tetrahedron
[[ˌtetrə'hi:drən]]
n. 四面体
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
What in the world are you eating?
你到底在吃什么？
He wasn't dreaming, officer.I was telling him to drive slowly.
警官，他思想没有开小差。我刚才正告诉他开慢点。