bush helicopter
构词拆分
bush#Etymology_3词根/词干
+
helicopter词根/词干
词源说明
From bush + helicopter.
释义（英文）
名词 Noun
- (aviation) A helicopter designed or used for operations in remote, undeveloped, or wilderness regions, often for transportation, medical evacuation, surveying, or supply delivery where there are no established airstrips or infrastructure.