STEM与日常科技·英语30篇（7）

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智能冰箱如何追踪食物保质期

Smart refrigerators use barcode scanners and camera-based image recognition to log food items.
When you place groceries inside, the system identifies packaging and checks online databases for expiry dates.
Built-in humidity and temperature sensors monitor storage conditions to estimate shelf life accurately.
The fridge sends smartphone alerts when milk or yogurt nears expiration.
Some models suggest recipes based on soon-to-expire ingredients to reduce waste.
Cloud-connected units learn user habits, like how long cheese typically lasts in that household.
Voice assistants let users ask, 'What expires tomorrow?' without opening the door.
LED interior lighting enhances camera clarity for better food identification at night.
Manual entry options exist for unpackaged items like leftovers or homemade sauces.
Data privacy settings let users choose whether usage patterns are shared with appliance makers.