He plans to add AR goggles that tell farmers about the ripeness of grapes, their heart rate, and their calorie consumption.
他计划加装一个 AR 眼镜，告诉农民葡萄的成熟度、他们的心率和卡路里消耗。
3
The best performer, a modified Humvee built by engineers ar Pennsylvania's Carnegie Mellon University, traveled 7 miles (11 kilometers) before breaking down.