Sickle-cell disease is characterized by a modification in the shape of the red blood cell from a smooth, donut-shape into a crescent or half moon shape.
镰状细胞病的特征是红血球形状发生突变，由平滑的圆圈形状改变为新月形或半月形。
When he opened the sixth seal, I looked, and behold, there was a great earthquake, and the sun became black as sackcloth, the full moon became like blood.
揭开第六印的时候，我又看见地大震动，日头变黑像毛布，满月变红像血。
You can't squeeze blood from a turnip , and apparently you can't wring water from moon rocks, either.
就像你不可能从胡萝卜里挤出血来，很明显，你也不可能从月球的岩石里找到一丝水汽。
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