before and after中文什么意思

前后

凶杀后

• before:    adv. 1.在前，在前方，在前头， ...
• after:    adv. 在后；继后；后来。 fol ...
• before after:    只要你爱我

例句与用法

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1. Wash your hands before and after the experiment
   实验前后请彻底洗净双手。
2. Clause to return the before and after images of the
   列的前像和后像返回到
3. Executing scripts before and after the snapshot is applied
   在应用快照之前和之后执行脚本
4. Wash hands thoroughly before and after contact with eyes
   触摸眼睛前后都要彻底洗净双手；
5. Do warm - ups and stretching exercises before and after exercise
   要有充分的热身和伸展运动。