“使密布”常见的英文表达可以是 “make densely covered” 、“cause to be thickly distributed” 等，具体使用哪种表达要根据上下文语境来选择更合适的。以下为你举例说明：
例句：The heavy snow made the branches densely covered, looking like a white world. （大雪使树枝密布，宛如一个白色的世界。）
例句：The special climate in this area causes the clouds to be thickly distributed at certain times of the year. （这个地区特殊的气候使得一年中某些时候云朵密布 。）