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注意力不集中
1、lack of gear───缺少装备
2、for lack of───因缺乏…；因缺少…；因没有…；因…而没有
3、concentration of power───集权；权力集中
4、lack of money───缺钱
5、lack───n.缺乏，不足；v.缺乏，不足，没有；需要；n.(Lack)（美、德）拉克（人名）
6、lack out of───缺乏
7、concentration───n.浓度；集中；浓缩；专心；集合
8、lack of───没有，缺乏；不足，不够
9、a lack of───缺乏，缺少
1、Helmut's problems were compounded by his lack of concentration.───赫尔穆特的问题是精神不集中引起的
2、In certain moments we did not manage to be concrete, perhaps because of a lack of concentration, but the team still played well.───有一段时间里我们不是团结，可能是因为注意力不集中。不过球队依然表现的很好。
3、He pleaded family problems for his lack of concentration.───他解释说注意力分散是因为有家庭问题。
4、A lack of concentration, a lack of communication, a lack of coordination and individual urgency [is behind the goals we have conceded].───缺乏专注，缺乏沟通，缺乏合作，个别人很着急，这是我们丢球背后的原因。
5、other symptoms included lack of concentration , headaches , depression and anxiety panic attacks.───其他症状还包括注意力难以集中，头痛，沮丧，以及焦虑和恐慌。
6、Lack of concentration is a symptom, not the cause, of difficulty.───缺乏集中力是困难的征兆，而不是原因。
7、One fault of the American businessman is lack of concentration.───美国企业家的一个错误就是缺少集中。
8、Both types of distractors must be understood before the student can attempt to remedy his lack of concentration.───在学生尝试补救自己注意力缺乏之前，应当首先了解这两种干扰物。
1、Lack of concentration was a real problem.
2、The order of frequency of the symptoms occurring in premenstrual syndrome was irritation, depression, anxiety, diarrhea, lack of concentration and hypersomnia .
3、Stress and tiredness often result in a lack of concentration.