light up

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lightuplightuplightuplightup——开灯,照亮,点燃;喜形于色,露出愉快的表情例:Tomwillreallylightupwhenheseeshisnewbike.汤姆看到他的

light up
light up

light up
light up —— 开灯,照亮,点燃;喜形于色,露出愉快的表情
例:Tom will really light up when he sees his new bike.
汤姆看到他的新自行车时一定会高兴起来.
The enquiry found that the light aircraft crashed after its engine seized up through lack of coolant.
调查报告表明,这架轻型飞机是由于发动机缺少冷却剂而失灵坠毁的.

查一查:light是轻的,不费力气的
up 是起
我也不太暸解

light up
To become or cause to become animated or cheerful.
(使)变得容光焕发或振奋
To start smoking a cigarette, cigar, or pipe.
点香烟:开始吸香烟或雪茄、烟斗

light-up 点火
light up 照亮; 松绳; 点燃; 点火; &nb....
light sth up 点燃某物
light up with pleasure 充满着喜悦之情

照亮,点着,开灯,上灯,点燃,有喜色