过去，环保科学家运行测试以检查螃蟹的疾病或其他的生理问题，结果两手空空。
In the past, environmental scientists ran tests to check for disease or other physiological problems with the crabs, coming up empty-handed.
我的手是个螃蟹，它正慢慢地爬向你。
她也可以使用一个螃蟹状钳手形握物体。
She could also grip objects using a crab-like pincer hand shape.
他慢慢地将手放在石头的裂缝上，把螃蟹移到了一边。
He put his hand to the crack ora rock very slowly, and moved the crab to one side.
他先把他的手非常缓慢伸向螃蟹，移动到螃蟹一边。
He put his hand to the crack ora rock very slowly, and moved the crab to one side.
他先把他的手非常缓慢伸向螃蟹，移动到螃蟹一边。
He put his hand to the crack ora rock very slowly, and moved the crab to one side.
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