英语翻译1.people who cannot distinguish between colours are said

英语翻译
1.people who cannot distinguish between colours are said to be colour-blind.
2.Thoroughly,the vet check up on our horses and pronounced them fit to race.
3.my fence was tear down in the storm,so I need to put up a new one.
4.you can make a fortune out of these useless vases if you call them "antiques"(古董)
5.there was silence for a few seconds;then all of a sudden,the child let out a loud scream.