I left him in his metallic gray cell and departed through the waiting room.

我把他留在金属灰色牢房里， 然后穿过候诊室离开。

In over 70 episodes, Poirot, who has an interest in Art Deco interior design, central heating, and his clothes, as well as solving murders and crimes using his little gray cells.

在 70 多集中， 波洛对装饰艺术风格的室内设计、中央供暖和他的衣服很感兴趣， 也喜欢用他的小灰细胞解决谋杀和犯罪问题。