3325英语网 英语单词
Keystone的音标发音
Keystone
英式发音：['kiːstəʊn] or ['ki'ston]
美式发音
(noun.) the central building block at the top of an arch or vault.
编辑:马丁
双语例句
- One sees very little about it in the newspapers and popular magazines, in spite of the fact that it is the keystone, so to speak, of the motion-picture industry. 佚名. 神奇的知识之书.
哈恩编辑