Finally nothing remains but the fibers, either gelatinous or made of horn, that constitute your household sponge, which takes on a russet hue and is used for various tasks depending on its degree of elasticity, permeability, or resistance to saturation.

刀用海绵是茶褐色，根据它弹、渗透或抵抗浸程度大小，可以安排它各种不同用途。

At the entrance to the square my companion called a cab, and from there on we rode slowly through a heavy darkness which was blanketed by a wet, penetrating fog.

在广处，我同伴叫了一辆出租车，从那里开始，我们缓慢地穿行在浓重黑暗中，湿漉漉、渗透强雾气笼罩着一切。