The trees formed such a dense canopy that all beneath was a deep carpet of pine needles.

这些树形成了浓密的冠盖，下面是一层厚厚的松针。

《柯林斯英汉双解大词典》

It was a deep pool under a high canopy of leaves.

那个潭很深，在它的高处是一大片树林。

youdao

In this MeiXue cheng beauty, I seem to is a tree, hair grew canopy, arm into the branches of trees grow with must, at the foot of the sunk deep into the icy soil, risking snow, stand proudly.

在这梅雪交映的美景，我仿佛就是一棵树，头发长成树冠，胳膊变成树枝，脚下长出跟须，深深扎进冰冷的泥土，冒着风雪，傲然挺立。

youdao

Engineers Buro Happold, commissioned by the local authority, have suggested a canopy on the building combined with 4m-deep (13 ft) baffles built across Water Lane would "offer significant wind mitigation".

BBC: Bridgewater Place

In the gauzy light filtering through the canopy, the water, which was only a foot deep, looked crystalline.

NEWYORKER: Reversal of Fortune