他用手指连续敲击他的皮革桌面。He drummed his fingers on the leather top of his desk.劫持者用一块厚厚的皮革堵住了他的嘴。His captors had put a gag of thick leather in his mouth.这套家具是由西卡莫木材、山毛榉木材以及皮革制成的。The furniture is made of sycamore, beech and leather...
使用蛋彩画颜料（内含可以定色的蛋黄）在干石膏上绘出了特定颜色。Certain pigment colours were painted on to dry plaster using tempera (where egg yolk is used to fix the pigment).数百年前蛋彩画颜料被用来画壁画.P > Tempera was used to paint frescos hundreds of years ago....
Tissue that is removed during the operation is checked for signs of malignancy.检查手术切片，以判断是否为恶性。All that remains is to list the properties characteristic of malignancy.剩下来的问题是要列举一下恶性肿瘤性质的特征.The marked pleomorphism and hyp...