尤尔把我们从无遮无挡的小路带到溪流里，这条溪流的名字叫纳哈尔.大卫，是交叉流过绿洲的四条泉水之一。
This was Nahal David, one of four springs that crisscross the oasis.
现在生物学家需要重新开始到这种观念，自然界里有许多的东西，并不全是纯净家族血统的产物，恰恰是交叉藕合、杂乱无章的物种。
Biologists are now coming round to the idea that much of nature is not a product of neat family lines, but a messy mass of cross links.
无信号十字交叉口的交通流冲突，不仅体现在机动车与机动车之间，行人和机动车之间的冲突也很明显。
The traffic flow conflict at an unsignalised crossing is not only between motor vehicle flows, but also between traffic flow and pedestrian flow.
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