boulder flint的用法和樣例：
例句
- He took my hand to help me over a boulder that blocked the way.
他牽著我的手帶我爬過那塊擋道的卵石。 - Lacy tree branches cast their shadows on the Five Raths, seventh century Dravidian shrines to Hindu gods each carved from a single, massive granite boulder.
春羽樹的枝條在五車神廟上投下陰影，這裡是七世紀時期達羅毗萘人祭祀印度教諸神的聖壇，每一座神廟都是用一整塊巨大的花崗岩卵石雕刻而成。
