英语短语：Light up

　　当某人lights up，这意味着他/她看起来很高兴或为什么事情而感到欣喜。
　　例句：
　　Mum will light up when she realises we've planned a surprise party for her.
　　My grandma would light up when she talked about the olden days.
　　注意：
　　另一个字面相似的短语lighten up意思和light up不一样，这是劝某人应该放松一些，不要太紧张或太在意某件事情。
　　例句：
　　Hurry! We're going to miss the train!
　　Lighten up – there'll be another one five minutes later.
　　常识补充：
　　Tower Bridge in London has had a new lighting system installed which enhances the bridge's architectural features. Static lights have been replaced with bulbs that can vary in intensity and colour. The world-famous bridge gleamed white to celebrate target=_blank class=infotextkey>celebrate the Queen's Diamond Jubilee and the more energy-efficient lights were switched on after that.
　　著名景点伦敦塔桥安装了一个新的照明系统，能更加突出塔桥的建筑特色。新装的照明灯能发射出不同的颜色和亮度。这座举世闻名的大桥在庆祝女王登基钻禧纪念时变成了全白色。庆典之后启用节能灯。