鼠色的；灰褐色的

Physical state:this product is made of high-quality magnetite by the advanced crashing,sieving and magnetic separation techiniques and takes on mouse color multi-prismatic shape particles. 物理状态：本产品是用优质磁铁矿为原料，经破碎、筛选、磁选等工艺加工而成，外观灰褐色的多棱颗粒。

That's rather an effective use of color. 这种使用颜色的手法效果相当好。

On Sunday night he was as quiet as a mouse. 他在星期天晚上安静得像只耗子。

A mouse ran out from the dark orifice of the cave. 一只老鼠从黑暗的洞口跑出。

The cat is playing with a live mouse. 猫在戏弄那只活老鼠。

The cat was creeping silently towards the mouse. 猫悄悄地朝着老鼠爬过去。