Bipyramidal
双锥体
🗣️ 情景例句
Wait till Philip comes home and sees our progress.
等着瞧Philip回来看到我们进展时的反应吧
One cannot make a silk purse out of a sow's ear.
朽木不可雕。
What are you going to do this evening. Jill?
今晚你打算干什么，吉尔？