The medicinal properties of the plant have been well documented over the years.

多年来，这种植物的药用特性已被详细记载。

The main attractions of the Big Apple are well documented.

纽约城主要景点被很好地记录在案。

The problem is well documented.

这个问题有很多依据。

Causes of the disease have been well documented.

这种疾病的起因已有完备的记载。

Her views on the treaty are well-documented and oft-repeated.

她对这项条约的观点被完好地记录下来且一再被重复。

Tom and his colleagues documented a widespread death of big trees.

汤姆和他的同事记录下了这些大面积死亡的大树。