一束耀眼的阳光从门口照射进来。A brilliant shaft of sunlight burst through the doorway.需要保护你的手臂和双腿免受玻璃反射光线的照射。Your arms and legs need protection from light bouncing off glass.那个柜子只有用紫外线照射才可以看见。The container is invisible until you shine ...
黄铜是铜锌合金。Brass is an alloy of copper and zinc.铜锌合金叫做替代式合金.Copper - zinc alloys are called substitutional alloys.材料: 采用高强度结构或锌合金压铸或不锈钢制成.Material: Strengthened structure or zinc alloy die - casting or stainless steel....