keystone
[
i
`st*un
]
(¼øÀ§:
17297
- ´ëÁ¹ ¼öÁØ)
¶æ
¸í) [°ÇÃà] Á¾¼®, ½û±âµ¹, ¿äÁö, ±Ùº» ¿ø¸®, (¹Ì,¼Ó¾î) [¾ß±¸] 2·ç
Mean
The central wedge-shaped stone of an arch that locks its parts together.
¿¹¹®
1. a
keystone
hit (2·çŸ)
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