adj.不能區(qū)別的；不易覺察的；難以理解的

Its colour makes the moth indistinguishable from the branch it rests on. 這蛾子停在樹枝上，其顏色和樹枝幾不可辨。

The synthetic material is indistinguishable from real silk, but much cheaper. 這種合成衣料與真絲難以區(qū)別,但便宜得多。

It's a sound that was indistinguishable to the human ear. 這是一種人類耳朵不易覺察的聲音。