at dusk的用法和樣例：
例句
- We made a landfall at dusk after three weeks at sea.
在海上航行三周后的一個(gè)黃昏,我們看到了陸地。 - The street lights come on at dusk and go off at dawn.
路燈在黃昏時(shí)開(kāi)，拂曉時(shí)關(guān)。 - The lights go on at dusk.
一到黃昏燈就亮了。 - He usually goes out for a walk at dusk.
他通常在黃昏時(shí)出去散步。
