These crystal lattices may have imperfections, such as dislocations and vacancies.这些晶格可能有不完善之处, 例如位错和空穴.The process of development produced dislocations that strained political stability.发展的过程引起了脱节现象,破坏了政治稳定.The boundari...
他戴上了一顶破旧的防护头盔，上面的面罩已有划痕。He pulled on a battered old crash helmet with a scratched visor.小刀会在工作台上留下划痕。Knives will scratch the worktop.她脸上有很多划痕.Her face was covered with scratches....