“经前期出血”的概念、定义、翻译、参考文献-科学参考

单词	经前期出血
释义	经前期出血 premenstrual bleeding premenstrual bleeding
随便看	safety apparatus safety appliance safety arch safety arrestment safety bar safety barrel safety barrier safety basin safety belt safety belt for the seat of vehicle safety block safety board safety bolt safety bolt catch safety box safety brake safety button safety cable safety cage safety cage (油罐操作用的) safety cam safety can safety cap lamp safety car safety carrying capacity

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。