漫山遍野的英文：
[Literal Meaning]
all/mountain/spread all over/wilderness
everywhere over mountains and wilderness

[解释]
山上和田野里到处都是。形容数量很多、范围很广、声势很大。

[Explanation]
everywhere

[例子]
降落在高地的美军直升机发现，漫山遍野都是越南的战士。

[Example]
The soldiers from a landing US helicopter found the Vietnam soldiers were everywhere.

[英文等价词]
all over the mountains and plains

All over the mountains and wilderness;over hill and dale
漫山遍野