viscous-perfectly plastic body

例句：

1. 1. The scientist used a viscous fluid to study the flow of blood in the human body.
   这位科学家使用一种粘性流体来研究人体血液的流动。
2. 2. The perfect plastic body is designed to be lightweight and durable.
   这种完美的塑料身体设计得既轻便又耐用。
3. 3. The viscous fluid was used to coat the surface of the glass to prevent it from breaking.
   这种粘性流体被用来涂覆玻璃的表面，以防止它破裂。