我把油画平放以防止未干的颜料流动。I lay the painting flat to stop the wet paint running.大型油画可以增加小房间的宽敞感。Large paintings can enhance the feeling of space in small rooms.水彩画似乎仍比油画略逊一筹。Watercolour still seems somehow to be the poor relation...
Their numerical system, derived from the Babylonians, was based on multiples of the number six.他们的数制源自古巴比伦人，以数字6的倍数为基数。The sexagesimal scale, or number system based on 60, was used by ancient Babylonians.古巴比伦人用六十进位制, 即以6...
这种水晶蓝晶晶的,非常漂亮.This kind of shiny blue crystal is very beautiful.以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖.The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials....