Disphenoid
复正方楔; 双半面晶形
🗣️ 情景例句
Once the film stops showing, they won't even remember your name.
一旦你的电影停播了，你也就会很快被人忘记。
He is a good friend that speaks well of us behind our backs.
背后说人好话的够朋友。
'A man can never have too many ties.'
“男人有多少领带也不会嫌多。”