twilight, dawn, dusk

名詞 dusk:

1. the time of day immediately following sunset
   同義詞：twilight, gloaming, gloam, nightfall, evenfall, fall, crepuscule, crepuscle

動詞 dusk:

1. become dusk

1. We made a landfall at dusk after three weeks at sea.
   在海上航行三周後的一個黃昏，我們看到了陸地。
2. It seems probable that he will arrive before dusk.
   他似乎有可能黃昏前到達。
3. The setting sun has boundless beauty; Just because the yellow dusk is so near.
   夕陽無限好，只是近黃昏。
4. He works from dawn till dusk.
   他從天亮工作到天黑。
5. The setting sun had boundless beauty, Just because the yellow dusk is so near.
   夕陽無限好，只是近黃昏。
6. The lights go on at dusk.
   一到黃昏燈就亮了。
7. He usually goes out for a walk at dusk.
   他通常在黃昏時出去散步。

dusk

n.（名詞）
The darker stage of twilight, especially in the evening.
黃昏：黃昏的較暗階段，尤指晚上的這一階段
adj.（形容詞）
Tending to darkness; dusky.
變暗的；微暗的
v.intr.tr.（不及物動詞和及物動詞）
dusked,dusk.ing,dusks
To become or make dark or dusky.
變或使變暗或微暗

來源：
From Middle English [dark]
源自 中古英語 [暗]
alteration of Old English dox
古英語 dox的變化