无灰尘 、 污迹或杂质的;未污染的.Free from dirt, stain, or impurities unsoiled.干净的: 无灰尘 、 污迹或杂质的;未污染的.Clean: Free from dirt, stain, or impurities unsoiled.仔细观察涂膜玻璃上是否有可疑物体及杂质,如有用灰尘夹子清除可疑物体或杂质.Check the coated glass carefully , if there...
原先苹果酒里的任何杂质在蒸馏后都会凸现出来。Any faults in the original cider stood out sharply after distillation.一旦杂质沉淀下去，油就可以分级了。Once its impurities had settled, the oil could be graded.过滤器会滤掉水中的大部分杂质。A filter will remove most impurities fo...