prior period

• n. 前期

例句

用作名词 (n.)

1. Therapy with phentolamine produced a significant decrease in the preejection period index.
   用酚胺唑啉治疗，能使喷射前期指数大大降低。
2. It is a behavior I have noted in females prior to male introduction through just before ovulation.
   只是把雄蛇介绍给雌蛇之前，雌蛇的排卵前期行为。