key-stone

 
['kiːst'əʊn]     ['kiːst'əʊn]    
  • 填縫石
new

key-stone的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 keystone:
  1. a central cohesive source of support and stability

  2. the central building block at the top of an arch or vault

key-stone的相關資料:

臨近單詞

今日熱詞
目錄 附錄 查詞歷史