Wistar's pyramids
[医] 威斯塔氏锥体, 蝶骨甲
🧩 词语组成解析
n. 金字塔( pyramid的名词复数 ); 金字塔形的物体（或一堆东西）; 金字塔式的组织（或系统）; 棱锥（体）
🗣️ 情景例句
Don't open the door if you don't know who it is.
如果有陌生人敲门不要开门。
What would you have done last night if you hadn't had to study?
如果昨晚你不必学习你会做什么？
He believed that everyone should be prepared to do heavy work, from the leaders to the poorest peasants.
他认为从领袖到最穷苦的农民，每个人都该乐于从事重体力劳动。