后囊浑浊是造成视力下降的主要因素。
The most significant risk factor associated with Bladder cancer is smoking.
甚至在海蜇死了后，刺丝囊刺细胞还能释放出它们的蛰刺。
The nematocysts can still release their sting even after the jellyfish is dead.
甚至在海蜇死了后，刺丝囊刺细胞还能释放出它们的蛰刺。
The nematocysts can still release their sting even after the jellyfish is dead.
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