concavity
US /ˌkɑːnˈkæv.ə.t̬i/
UK /ˌkɑːnˈkæv.ə.t̬i/
名詞
1.
凹
the quality of curving in, or an object or surface that curves in:
範例:
•
The valley looks utterly serene now - a spacious concavity lying between pine-clad peaks.
在 Lingoland 學習這個單詞
相關詞: