全部 » Lifestyle » Man » 科学家在实验室调整设备 Scientist adjusting equipment in a laboratory

科学家穿着长袍，戴着眼镜和手套，在实验室里有更多的人员和装有物质的容器，调整设备。

Scientist in gown, glasses and gloves in a laboratory with more personnel and containers with substances, adjusting the equipment.