2011年7月7日星期四晴天暑假里,在我们的极力邀请下,外婆终于来我家住了。夜晚时,我们经常在客厅一起看电视。我发现一个有趣的问题,平常我们总是开客厅四周的8盏节能灯,而外婆总是喜欢开客厅中央的大吊灯。有一次灯是我先开的,外婆就主动上前换灯,而且边唠叨着:“该节省电点。”于是 On the sunny day of the summer holiday on July 7, 2011, my grandmother finally invited my grandmother to live in her house. At night, we often watch TV together in the living room. I found an interesting question. Usually we always open eight energy-saving lamps around the living room, and my grandmother always likes to open a large chandelier in the middle of the living room. Once the light was first opened by me, the grandmother took the initiative to change the lights, and whispered: “This is to save electricity.”