The group of products that are the most important, advanced, or expensive of a brand.
旗舰级别
解释： 「flagship」原指海军的「旗舰」，在商业与科技领域中，用来形容某品牌中最顶级、最先进或最重要的产品。「flagship category」即指该品牌或市场中定位最高端的产品类别。
范例： With its high-end processor and premium camera, this phone belongs to the flagship category.
The number of times a screen updates its image per second, measured in Hertz (Hz).
屏幕刷新率
解释： 这是一个科技专业术语，指屏幕每秒更新画面的次数。刷新率越高（如 120Hz 或 144Hz），画面滚动和动画看起来就越流畅，特别适合电竞和动态影像观看。
范例： A higher refresh rate makes mobile gaming feel much smoother.
A highly efficient heat-dissipation technology used in electronics, using liquid and vapor to spread heat.
均热板散热系统 / 真空腔均热板散热
解释： 这是一种高效率的散热技术。利用液体在真空腔体内受热蒸发、遇冷凝结的物理循环，快速将处理器产生的热量均匀传导出去，常见于高端电竞手机或电脑中。
范例： The smartphone includes a vapour chamber cooling system to prevent overheating during intense gaming sessions.
The amount of time a device can run before its battery needs to be recharged.
电池续航力
解释： 由「battery」（电池）和「life」（寿命/生命）组成的常用搭配词，在电子产品语境中，并非指电池坏掉前的总寿命，而是指「单次充电后可以使用多久的时间」。
范例： The new model is praised for its excellent battery life, lasting up to two days on a single charge.