把几句中文翻译成英文,谢谢

1.Concentrate on things (focus your aattention)
2 in order to remember a long time,you must first understand the good article
3.Timely review,to prevent forgetting.
4,eat good food on the brain,such as milk,eggs,fish,etc.
5 more exercise,to ensure adequate sleep and rest,which is the key to enhanced memory