concentrate
vi. direct all one's attention, etc. towards sth. 全神贯注；集中思想；专注；专心

interruption
n. 打扰； 干扰； 中止； 阻碍

ignore
vt. take no notice of; refuse to pay attention to!! 不理；忽视

focus
v. direct attention, etc. on sth. 集中注意力于某事情

assign
vt. appoint to a job or duty 委派； 指派

underachieving
a. doing less well than was expected, esp. in school work 未能充分发挥学习潜力的；学习成绩不良的

athlete
n. a person who is good at or who often does spors 运动员

recall
vt. bring back to the mind; remember 回想（起）；记得

memorise, -rize
vt. learn and remember 记住；熟记

missing
a. 缺失的， 找不到的；失踪的，下落不明的

notebook
n. small book for writing notes in 笔记本；记事本

folder
n. 文件夹

assignment
n. a duty or piece of work that is given to someone （指定的）作业；（分派的）任务

drawer
n. 抽屉

essential
n. (usu. pl.) sth. that is necessary or very important [常用复数] 必需品
a. (to, for) necessary; central 绝对必要的；非常重要的

essay
n. a short piece of writing giving sb. 's ideas about politics, society, etc. 论说文； 散文

draft
n. the first rough written form of anything or a rough plan 草稿；草案
vt. make a draft of 起草；草拟

due
a. expected or supposed (to happen, arrive, etc.) 到期的；预定应到的

*deadline
n. a date or time before which sth. mush be done or completed 最后期限

schedule
n. a timetable for things to be done 时间表；日程安排表

overtired
a. 过度疲劳的

stretch
vi. 舒展身体，伸懒腰

irrelevant
a. (to) not having any real connection with or relation to sth. else 不相关的；不相干的

relevant
a. directly connected with the subject or problem being discussed or considered 相关的； 相干的

speed-reading
n. 快速阅读

per
prep.for each 每；每一