听前提示一、每期提供10个单词，每个单词都会有2-3个例句，方便理解记忆。二、每个单词和句子都会重复5遍，其中第2遍为慢速，有助于识别。三、本材料的整体难度较低，可以用来听力磨耳朵和单词查漏补缺。Day 47461.Completeadj.完全的，彻底的；全部的v.使完整，使完美She is trying to complete her homework.她正在努力完成作业。He is a complete stranger tome.他对我来说是一个完全陌生的人。The doctor advised me to take a complete rest.医生建议我彻底休息一下。462.Completelyadv.完全地，彻底地He is completely harmless.他完全无害。I'm completely exhausted.我已经筋疲力尽了。That comment is completely off topic.该评论完全不在话题范围内。463.Complexadj.复杂的，难懂的；复数的，复的I think math is a complex subject.我认为数学是一门复杂的学科。That was a complex problem.那是个复杂的问题。464.Complicatev.使复杂化，使难以理解；使卷入，使陷入Don't complicate the matter.不要让事情复杂化。She often complicates everything.她常常把一切都复杂化。465.Complicatedadj.复杂的，难处理的v.使复杂化，使难以理解Things got incredibly complicated.事情变得异常复杂。It's a fairly complicated problem.这是一个相当复杂的问题。The complicated problem has been solved.这个复杂的问题已经解决了。466.Computern.计算机；电脑；电子计算机It seems that your computer was infected by a virus.看来你的电脑感染了病毒。My computer crashed and I lost everything.我的电脑崩溃了，我失去了所有东西。He was absorbed in a computer game.他沉迷于电脑游戏。467.Concentratev.集中注意力；使集中，聚集n.浓缩物，浓缩液Please concentrate on your work.请专注于你的工作。Turnoff the television. I can't concentrate.把电视关掉。我无法集中精力。You should concentrate on one thing and learn to do it well.你应该专注于一件事，学会把它做好。468.Concentrationn.专心，专注；关注，重视；集中，聚集I really appreciate his concentration.我真的很欣赏他的专注。469.Concernn.担心，忧虑；关心，关爱v.有关，关于She always showed genuine concern for others.她总是对别人表现出真正的关心。My primary concern is your safety.我最关心的是你的安全。It's no concern of mine.这不关我的事。460.Concernedadj.相关的；担心的；关注的；关心的v.有关；涉及，影响I'm not concerned with the details.我不关心细节。I think he is concerned with the accident.我想他很担心这起事故。Divorce is very painful, especially when children are concerned.离婚非常痛苦，尤其是在涉及孩子的情况下。