例句與造句

1. Since the 1950s , the study of micropalaeontology has grown out of nothing in china and developed rapidly
   從20世紀(jì)50年代至今，我國的海洋微體古生物研究從無到有，并且得到迅速發(fā)展。
2. It's difficult to find micropalaeontology in a sentence. 用micropalaeontology造句挺難的