您要查找的是不是：
- midnight serum eortisol level 午夜血清皮质醇水平
- Radioimmunoassay （RIA） was used to examine the contents of serum IL-2, IL-6 and eortisol levels. 利用放免法测定小鼠血清中IL-2、IL-6和皮质醇含量的变化。
- Are you men ready? We go into action at midnight. 战士们，你们准备好了吗？我们半夜按计开始行动。
- I can open the back gate at midnight. 午夜的时候我可以打开后门。
- Robbers often breaks in at midnight. 强盗经常在半夜破门而入。
- We stayed up yarning until midnight. 我们讲故事一直讲到半夜才睡。
- That station goes off the air at midnight. 那电台每天晚上12点停止广播。
- The party fizzled out before midnight. 参加聚会的人在午夜前作鸟兽散。
- The guards are still on watch at midnight. 看守在深夜仍在站岗。
- I'd like a room on the upper level. 我想要楼上的房间。
- At midnight you'll hear the clock strike twelve. 午夜时你会听到钟打12点。
- The doctor inoculated her with the serum. 我们所有人都注射了天花病毒。
- A soft breeze set in at midnight. 午夜时吹来一阵和风。
- We need a mechanical digger to level the ground. 我们需要一台挖掘机来平整土地。
- It came on to rain soon after midnight. 午夜之后不久就开始下雨了。
- It is midnight and we are now closing down. 时间已到午夜，本台现在停止广播。
- He kept count of the meteors till midnight. 他数流星一直数到半夜。
- I hope you'll be on the level with me. 我希望你对我坦率布公。
- After midnight, the party broke up. 12点之后晚会散了。
- She needs to win this point to level the score. 她要赢得这一分才能将比分扳平。
