渡轮停运，通向市区的主要公路——M5隧道关闭了。
Ferries were suspended and the M5 tunnel, a major road into the city, was closed.
这一设计包含了一条足够细的隧道，当它关闭时，里面完全没有载流子(电子或空穴)，当它打开时，里面便充满了载流子，起到了阀门的作用。
The design incorporates a channel thin enough to become entirely devoid of carriers (ie, free electrons or holes) when switched off, thus acting as a valve, yet full of them when switched on.
我们在这城市里有三个隧道而其中一个必须被关闭。
We had three tunnels in the city and one needed to be shut down.
但是隧道里撞车和起火地点仍旧关闭。
But the tunnel where the crash and fire happened is still closed.
但是就事发撞车和火灾的隧道还开通(仍在关闭中)。
Butthetunnelwhere the crash and fire happened is still closed.
但是，现阶段的城市交通大堵塞，道路供不应求，可能使高架桥才能关闭和拆除延迟到2016年。届时，隧道才能全部修建完毕。
But fear of downtown gridlock is pushing back the closure and demolition of the viaduct until at least 2016, when the tunnel is supposed to be ready.
但是，现阶段的城市交通大堵塞，道路供不应求，可能使高架桥才能关闭和拆除延迟到2016年。届时，隧道才能全部修建完毕。
But fear of downtown gridlock is pushing back the closure and demolition of the viaduct until at least 2016, when the tunnel is supposed to be ready.
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