密布的英文：
densely covered

参考例句：

More than half of British Columbia is heavily forested.
大部分英属哥伦比亚密布着森林。

His face was overclouded with sadness.
他的脸上愁云密布。

the parent's careworn face.
家长愁云密布的脸

The approaches to the garrison have been heavily mined.
通往驻防地的道路上地雷密布。

densely是什么意思：
adv. 浓密地，稠密地

It is a dense novel.
这是一本晦涩难懂的小说。

Denseness is not continuity.
稠密性不是连续性。

The den or dwelling of a wild animal.
兽窝野生动物的巢穴或居住地

The bar in the slum is a den of iniquity.
这个贫民窟里的小酒吧是一个充满罪恶的场所。

I had endured in that den.
我在那令人寡欢的地方忍耐着。

covered是什么意思：
v. 遮盖；掩饰；包含；采访；给...保险；顶替
n.. 遮盖物；封面；掩护；保险；借口；餐具

Cover as if with a shroud.
仿佛用覆盖物掩饰着。

To be covered with or as if with fog.
为雾笼罩被或好象被烟雾掩盖

Covering: The fixing of a book cover to the spine and end papers .
上书皮:把书皮粘贴于书和纸上。

Snow covered the mountain. = The mountain was covered with snow.
白雪漫山

A light, padded bed covering.
羽毛被一种轻质且柔软的床罩