light up
US /laɪt ʌp/
UK /laɪt ʌp/

短语动词
1.
点亮, 照亮
to illuminate or make something brighter
示例:
•
The Christmas tree began to light up as soon as it was plugged in.
圣诞树一插上电就开始亮起来了。
•
The city skyline began to light up as dusk fell.
黄昏时分,城市天际线开始亮起来。
2.
在 Lingoland 学习这个单词