At night, all cats are grey.猫在夜晚皆灰色(丑妍暗中难分辨)。He was a tall, lanky man with iron-grey hair.他是个瘦高个子，一头铁灰色头发。He dresses in sober grey suits.他总是穿素净的灰西服。The great grey shape of a tank rolled out of the village...一个坦克的巨大灰影从村子里...
I undid the bottom two buttons of my yellow and grey shirt.我解开了自己黄灰相间的衬衫上最下面的两个纽扣。He was a tall, thin man with grey hair.他是个瘦高个，头发灰白。At one point last week shares in the grey market touched 230p.上周，灰市上的股票价格一度高达230便士。...
这是一桩偶发的事件.It was quite an accident.事实已经很清楚，这件事不是偶发的，它并不是一起孤立的事件。It became very clear that the incident was not just an aberration, it was not just a single incident.克雅氏病通常以“个例 ” 形式而且在50岁以下的人中偶发.In its common'sporadi...