Suddenly he sprang, clearing a three-metre gap between the walkway and a 3)concrete 4)canopy below.

突然，他跳了起来，从距离下面的水泥遮篷3米高的走道上跳了下来。

youdao

To reproduce the landscape in 3-D, a twin-engine plane flew over the city and fired laser beams through the dense tree canopy. The beams bounced off the ground, buildings, and other structures below.

为了在3 - D模型中重现，一架双引擎飞机飞越城市和浓密的树冠，发射并采集从地面，建筑物和其他结构反射回来的激光束。

youdao

Just below, the top deck of the main accommodation and service Spaces - which could house shops, bars and restaurants - would be covered by a retractable canopy.

下面是可以作为住处、商店、酒吧和酒店的主卧舱和服务舱的上甲板，它被一个可以缩回的天蓬覆盖。

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But despite the cacophony of animal sounds coming from below, the canopy is dense and the view stretches for such a distance that visitors may spend a couple of hours on the walkway and see very little.

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After dark, I lost hours counting falling stars beneath the dotted canopy of the Milky Way, its sparkling dome mirrored in the placid waters below.

BBC: Safari by water in southern Africa