512GB 怎么用英文念？battery life≠电池寿命
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1.512GB 怎么念？
内存是Storage。512G内存=512GB of storage，GB要念为gigabyte /ˈɡɪɡ.ə.baɪt/
例如：
我想要一个512GB iPhone XS Max。
在口语中要表达为：
I want a 512 gigabyte iPhone XS Max.
三个档次的内存英文怎么表达?
Apple is offering the iPhone XS Max in three storage tiers 64GB，256GB and 512GB
Storage tiers:内存的等级
2.battery life≠电池寿命
battery life=电池续航能力
例句：
The Battery Life of iPhone XS Max is Up to 90 minutes longer than iPhone X.
iPhone XS Max的续航时间比iphone X 增长了90分钟。
battery lifespan才是电池寿命
