imperfection in crystal造句

例句与造句

1. His enthusiasm focused on the complicated task of computing, from subtle aberrations in X-ray diffraction patterns, the extent of imperfections in crystals and the size and shape of crystals far too small to be seen under the microscope of his day.
2. It's difficult to find imperfection in crystal in a sentence. 用imperfection in crystal造句挺难的