• adj. 難識(shí)別的；看不見的

in-,不，非，discernible,可分辨的。

indiscernible (adj.)

1630s, from in- (1) "not, opposite of" + discernible. Related: Indiscernibly; indiscernibility.

1. The transition was almost indiscernible.

那轉(zhuǎn)變幾乎不能察覺.

來自《簡(jiǎn)明英漢詞典》