keystone
中文釋義
拱頂石；（計劃，論據等的）基礎，主旨
n. the central stone at the summit of an arch.
常用搭配
- the keystone of the argument論點的關鍵
- keystone species關鍵物種
- keystone habit關鍵習慣
例句
- The keystone is crucial for the stability of the arch.拱頂石對拱門的穩定性至關重要。
- In this project, communication is the keystone of success.在這個項目中,溝通是成功的關鍵。