Blocked by stone 被石头堵住
But the biggest culprit was the Edwards Dam — a small stone-and-timber structure built in 1837 for hydropower generation that blocked the fish from reaching their spawning grounds.
但是最大的原因是在1837年由小石头和木材构建的爱德华兹水坝，它被用来水力发电，水坝阻拦了鱼群到达它们的产卵地。
A big stone has fallen from the mountain and blocked the road.
一个大石头从山上掉下来阻塞了道路。
Down-down: Every time, when we pass here, we will be blocked by this big stone.
当当：但是每次经过这儿都会被这一颗大石头挡住。
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