准备期

例句：

1. 1. The teacher prepared a lesson plan for the class.
   老师为班级准备了一堂课的计划。
2. 2. The team is preparing for the upcoming competition.
   团队正在为即将到来的比赛做准备。
3. 3. The doctor prepared an antidote to counteract the poison.
   医生准备了解毒剂来对抗毒物。