例句與造句

1. Because these regions were rather far from the cluster centre, a substantial contamination was expected.
2. The cluster centre has six schools, six principals, 3, 002 students, 108 educators and 42 institutional workers.
3. In 2009, a distributed network of cluster centres was established, and more authority was given to these cluster centres for effective delivery of blood collection and transfusion services to various parts of the country.
4. In 2009, a distributed network of cluster centres was established, and more authority was given to these cluster centres for effective delivery of blood collection and transfusion services to various parts of the country.
5. It's difficult to find cluster centre in a sentence. 用cluster centre造句挺難的