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 47
461.
Complete
adj.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.
Completely
adv.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.
Complex
adj.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.
Complicate
v.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.
Complicated
adj.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.
Computer
n.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.
Concentrate
v.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.
Concentration
n.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.
Concern
n.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.
Concerned
adj.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。
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