·1. It's dawn.·
dawn /dɔːn/ 名词，表示the time of day when light first appears，天光初现的时候，黎明，破晓，同义词daybreak /'deɪbreɪk/。
常用搭配：
at dawn (黎明时)
dawn breaks (dawn最常搭配的动词是break，表示“黎明到来，天色破晓”)
例：The kids were so excited about the trip that they were up before dawn.
孩子们对这次旅行非常兴奋，天还没亮就起床了。
例：I got up at dawn this morning because I had to catch an early train.
我今天天刚亮就起床，因为要赶一班很早的火车。
例：The plane took off when dawn broke.
黎明时分飞机起飞。
例：She was reading a web novel all night. When she finally put down her phone, it was almost dawn.
她整晚都在看网文。等她终于放下手机时天快要亮了。
·2. It's getting light.·
light /laɪt/ 在这里是形容词，表示full of light; having the natural light of day，有白天的光亮的，反义词是dark /dɑː(r)k/ 天黑的。It's getting light表示天正在亮起来，是一个过程。
4:00 天几乎还没亮：
It's barely light yet.
It's still dark.
5:30 天快亮了/在亮了：
It's almost light.
It's getting light.
6:00-18:00 天亮着的，白天的：
It's light.
18:30 天还亮着：
It's still light.
19:00 天开始黑了：
It's getting dark.
It's almost dark.
例：I stayed up working on my report, and when I was done, it was getting light outside.
我熬夜写报告，写完后，外面天开始亮了。
例：Is it light where you are? What time does it get light?
(问和自己有时差的人) 你那儿天亮了吗？什么时候天亮？
例：It gets light early in the summer.
夏天天亮得早。
light作名词可以表示“天亮的光线”，短语first light表示the time at the beginning of day when light first appears，第一缕天光出现的时候，天开始亮的时候，和dawn意思一样。
常用搭配：do sth at first light，表示天一亮马上就做某事。
例：Get some sleep. We'll leave at first light tomorrow.
去睡一会吧。明天天一亮我们就出发。
例：The rescue team started searching for survivors at first light.
救援队天一亮就开始搜寻幸存者。
例：If we leave at first light, we can avoid the traffic and make it home before noon.
如果我们天一亮就出发，就能避开车流，在中午前到家。
根据首字母补充单词，文本左滑查看答案：
We started our hike a__ d______ to enjoy the cool morning air.
我们在黎明时分开始徒步，享受清晨凉爽的空气。
Let's pack everything tonight so we can leave a__ f_____ l_____ tomorrow.
今晚把东西都收拾好，明天天一亮就可以出发。
It g____ l_____ around 5 o'clock here.
这里5点左右天就亮了。
We started our hike at dawn to enjoy the cool morning air.
我们在黎明时分开始徒步，享受清晨凉爽的空气。
Let's pack everything tonight so we can leave at first light tomorrow.
今晚把东西都收拾好，明天天一亮就可以出发。
It gets light around 5 o'clock here.
这里5点左右天就亮了。
往期推荐：
“连续几天”用英语怎么说？
“闯红灯”用英语怎么说？
“偷懒”用英语怎么说？
“单数双数”用英语怎么说？
推文说明：
这系列推文主要分享那些中文里常说、换成英语就不太会讲的话。每天早晨8点更新。
欢迎留言交流，经常有人发不好的广告所以我开了精选，正常的留言评论会当天放出来的。