concave faces meaning in English
(凹面)或场景中的
凹面
Examples
- Only two types of irons were used during the feathery ball era , the sand iron with a large concave face and the rut iron which had a very small head
在羽毛高尔夫球时代，仅有两种高尔夫球杆被使用，一种是带有大凹杆面的沙铁杆，另一种是杆头很小的