我的大哥在路上怎么搞的？每当我看到那些穿梭在城市道路上的挖沟机，我就想起他。这些巨大的机械设备，像是一群忙碌的工人，它们不停地前行，不断地工作。
记得那年夏天，我去大哥家玩，他带我参观了他的建筑公司。在一片片广阔的建设现场中，大哥介绍给我见识了各种各样的工程机械。那时候，我还小，对这些东西充满了好奇和敬畏。而挖沟机，那时对我来说只是一个名字，只知道它能做什么，但并没有深入了解它背后的故事。
后来，当我长大一些开始学习建筑学时，我才真正理解到挖沟机对于城市基础设施建设中的重要性。它们能够快速、准确地开凿出所需的道路、管道等，这些看似平凡的工作，其实是保障我们的生活质量不可或缺的一部分。
有时候，当夜幕降临，市中心繁忙街道上灯光璀璨，而那些沉默着但永不休息的大型挖掘设备被点亮，就像是星空下行进的人类形象，它们正如同我的大哥一样，无私地为我们提供着服务。每一次经过这些施工现场，我都会暗自感谢那些无形之手，也许就是那个让我回忆起他的时候，用脚步丈量过这座城市的人——我的大哥。
现在，每当我看到街头巷尾those giant machines at work, I can't help but think of him. He's no longer with us, but his legacy lives on in the roads and buildings that dot our cityscape. The rumble of the engines, the whir of the blades, it's a symphony that reminds me of his dedication to his craft.
I remember when I was young and he would take me to visit his construction sites. The machinery seemed so massive and intimidating back then, but my dad would always tell me stories about how they were just like big toys for grown-ups to play with. But as I grew older and began studying engineering myself, I realized just how crucial these machines were.
They're not just tools for digging holes or laying pipes; they're instruments that shape our cities and define our way of life. And every time I see one chugging along a busy street or humming in a quiet alleyway at night, I'm reminded of my dad's unwavering commitment to building something better for all of us.
So next time you hear those engines roaring or see those lights blinking on your daily commute, take a moment to appreciate the unsung heroes behind them – not just my dad but countless others who have dedicated their lives to constructing this world we live in today.
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