Bipyramidal
双锥体
🗣️ 情景例句
Did you watch the football game between Manchester United and Arsenal last night?
昨晚你看了曼联对阿森纳的足球比赛吗？
Do you live on Dundas St?
你在登打士街居住吗？
Two years later, her father disappeared, never to be heard from again.
两年后，她父亲失踪了，从此再无音讯。