The colouring pigments from the skins are not allowed to bleed into the grape juice.外皮上的色素不能渗到葡萄汁里面去。The Romans used natural pigments on their fabrics and walls.古罗马人在织物和墙壁上使用天然颜料。The original white lead pigments have oxi...
空气从肺部输出,首先通过声门.Air that is expelled from the lungs passes through the glottis.以直达式喉镜发现声门狭窄与广泛性溃疡坏死组识.Direct laryngoscopy revealed narrowing of the glottis with diffuse ulcerative necrotic tissue.目的提高跨声门癌的诊断水平.Objective T...