Sara对机上人员大声叫喊，以盖过直升机机翼的旋转声，“他失了很多血，低血容量性休克！”
Sara shouts over the sound of the whirling chopper blades, “He’s lost a lot of blood.
随着低沉的隆隆声，螺旋桨开始旋转起来。
With a low-pitched rumbling noise, the propeller began to rotate.
震耳欲聋的机器声从开敞的门处传来，一台设计巧妙的传送带和旋转器将腰果按大小分类并将他们输送至麻袋。
A deafening rattle comes from the machine by the open door, a green contraption of conveyors and rotating metal drums that sorts cashews by size and drops them into sacks.
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