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。...
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...
The gadget is used to artificially inseminate cows.这个器具被用来为母牛实施人工授精。The cows are artificially inseminated .这些母牛被人工授精。The prices of meals are often artificially inflated.饭菜价格常常被人为地抬高....