nocturnal

形容詞

1. 1

   夜行性的、夜間活動的

   Owls are nocturnal birds that hunt small animals after dark.

   貓頭鷹是夜行性鳥類，天黑後獵捕小動物。

2. 2

   夜間的、夜裡的

   He sees a doctor about his nocturnal coughing fits.

   他因為夜間的咳嗽發作去看醫生。