gray cell

例句：

1. 1. The patient'sgray cells were severely damaged during the operation.
   病人的脑细胞在手术中严重受损。
2. 2. The scientist discovered that gray cells playa crucial role in memory formation.
   科学家发现，脑细胞在记忆形成中起着至关重要的作用。
3. 3. The patient's condition improvedsignificantly after receiving treatment, but his graycells remained compromised.
   经过治疗后，患者的病情有了显著改善，但他的脑细胞仍然受到损害。