英语Lights up什么意思？
light up
1. 照亮；发亮 If
you light something up or if it lights up, it becomes
bright, usually when you shine light on it.
On September 5, at the end of the festival, a massive display of fireworks
will light up the sky around Broadlands.
9月5日，也就是庆祝活动的最后，会有大型焰火表演照亮布罗德兰附近的夜空。
2. 短语动词,现出吃惊的神情；露出喜色 If your face or your eyes light up
you suddenly look very surprised or happy.
You should see his eyes light up when he talks
about home.
你真该看看他谈到家的时候眼睛放光的模样。
3. 短语动词点烟；开始吸烟 If you light up, you make a cigarette,
cigar, or pipe start burning and you start smoking it.
He took his time lighting up a cigarette.
他不慌不忙地点了一支烟。
clean up street lights是清理路灯的意思。
clean up 英 [ˈkliːn ʌp] 美 [ˈkliːn ʌp]打扫;清扫;把…弄干净;清理，清除（污染物）;（警方或当局）肃清，整肃（犯罪、腐败等）;（尤指在干脏活儿后）收拾干净，弄整洁;获得巨额利润;赚大钱
望采纳。
Lights up：灯
点燃···· 或 启发·····
点燃
lights up [laits ʌp]
具体要看用在什么句子，才能给出准确答案
