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随着发动机轰鸣声渐渐增大,蔚蓝天空中一个红色亮点逐渐接近,很快显现出直升机的轮廓。地面等候的人兴奋地喊道:“快看,回来了!回来了!”
As the engine roar gradually increased, a red bright spot in the blue sky gradually approaching, quickly showing the outline of the helicopter. Excited people waiting on the ground shouted: "Look, come back!