尽管贝尔维尤取得了很大的成功，但自适应信号灯并不是解决拥堵路段的万能药。
For all of Bellevue's success, adaptive signals are not a cure all for jammed roadways.
尤卡坦半岛上富含铱的沉积层和一个巨大的陨石坑提供了证据，证明了约6500万年前，一颗大型陨石撞击了地球。
An iridium-enriched sediment layer and a large impact crater in the Yucatn provide evidence that a large meteorite struck Earth about 65 million years ago.
尤雅娜现在敢把故事讲出来的道理很简单——万利拉已经死了。
Guzman dares tell her story now for a simple reason — Varela is dead.
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