night-blindness

n [U] inability to see properly in the dark or in dim light 夜盲.

niece, niff, niffy, nifty, Nigeria, Nigerian, niggard, niggardliness, niggardly, nigger, niggle, niggling, nigh, night, night after night, night and day, night porter, night safe, night shift, night-bird, night-club, night-gown, night-life, night-light, night-line, night-long, night-school, night-shirt, night-soil, night-staff, night-time, night-watch, night-watchman, nightcap, nightfall, nightgown, nightie (also nighty), nightingale, nightjar, nightly,