adj.无行动的；惰性的；迟钝的
She lay there inert, I thought she must be dead. 她躺在那儿一动不动，我想她一定是死了。
Stone is an inert mass of matter. 石头是一块无生命的物体。
Helium and neon are inert gases. 氦和氖为惰性气体。
He stood inert as the car came towards him. 汽车朝他开来时,他还呆呆地站著。
n.惯性；惰性
adj.不活泼的；惯性的
n.惰性
惰性煤素质
