| 例句 |
Police patrols were on the streets from well before dawn.天还远远没亮，警察巡逻队就已出现在街头。Jack was always an early bird; he did a lot of his work before dawn.杰克一向是个早起的人，天没亮就干了不少活。When I saw that there were no lights on in the house, I naturally assumed you were asleep.我看到屋里没亮灯，自然以为你已经睡了。 |