例句與造句

1. Where else would I find such a grouter?
2. He said that, while the workers who were operating the jet grouter apparently knew it had broken down, it was not clear whether they knew that they had created a danger.
3. Forman defended his department's oversight of capital projects, and said the problem with the jet grouter was one that might not have been noticeable to a Transit Authority inspector, partly because the peril was hidden underground.
4. It's difficult to find grouter in a sentence. 用grouter造句挺難的