我的成绩下降了。
五年级学生的阅读成绩分数较低，导致其进入中学后成绩下降，进而导致高中毕业率下降40%。
Lower reading achievement scores and grades in fifth grade contributed to reduced grades in middle school and thereby contributed to a 40% lower high school graduation rate.
相反，对于那些认为成绩下降是一种永久的、无法挽回的状态的学生来说，成绩的下降只会预兆着他们应激激素的上升。
Instead, declining grades only predicted worse stress hormones among students who believed that worsening grades were a permanent and hopeless state of affairs.
结果，他经常生病并且他的成绩下降。
你更注重个人的生活而不是学习，难怪你的成绩下降了。
You're giving more priority to your personal life than to your studies. No wonder your grades are suffering.
一些学生甚至在课堂上玩这些卡片，以致学习成绩下降。
Some students even play the CARDS in class so that they have fallen behind in their study.
你更注重个人的生活而不是学习，难怪你的成绩下降了。
You're giving more priority to your personal life than to your studies. It's no wonder your grades are suffering.
此外，研究发现，媒体大量使用与很多负面影响相联系，包括行为问题和成绩下降。
It found, moreover, that heavy media use is associated with several negatives, including behavior problems and lower grades.
美国波士顿大学的研究者发现睡眠不足是导致学习成绩下降的重要因素。
Researchers from Boston College in the USA have found the lack of sleep is a significant - so important - factor in lowering the achievement of school pupils.
我会认真思考，自己是否做错，是不是因为我成绩下降了，所以家长批评我。
I would think seriously about, if they do wrong, is it because I'm performance decline, so parents criticize me.
一项调查发现，父母离异会致使孩子学习成绩下降，不愿与其他小朋友交往。
Children struggle with maths and making friends when their parents divorce, a study has found.
假设有娱乐是你的常态，如果没有娱乐，给你的感觉就像成绩下降两级一样。
Assume that having fun is your normal state, but having no fun is as unpleasant as receiving a grade that is two letters lower.
注意各种预警症状，如成绩下降，肚子疼或其他疾病，抑郁和焦虑，或新出现的不良行为等。
Watch for warning signs like decreases in grades, stomach aches or other illnesses, depression and anxiety, or new bad behaviors.
有些人在群体测试中表现得很好，但其他人则严重受影响——总体上成绩下降了。
Some people performed well in the 'social' tests, but others were affected badly - and overall, performance dropped.
研究人员发现这种“审视性凝视”虽然会使女生的数学成绩下降，但不会影响男生。
Researchers found that the objectifying gaze lowered women’s math performance, but not men’s.
研究人员发现这种“审视性凝视”虽然会使女生的数学成绩下降，但不会影响男生。
Researchers found that the objectifying gaze lowered women's math performance, but not men's.
但是，最重要的，他们觉得电视是造成中小学生数学和阅读成绩下降的一个因素。
Most importantly, however, they feel television is one factor that causes declining math and reading scores among schoolchildren.
在跑步时，我们的呼吸经常会急促和紧张，中可以导致抽筋，成绩下降和疲劳提前。
Often times in running our breathing becomes labored and stressed and this can bring on cramps, poor performance and premature fatigue.
这些设备不仅在高增益应用找到理想的应用，他们认为他们的成绩下降到较低的增益设置。
Not only do these devices find perfect application in high gain applications, they maintain their performance down to lower gain Settings.
我怎能使他的父母相信他近来学习成绩下降是一个心碎的孩子对他敬爱的父母分居和即将离异的反应呢？
How could I convince his father and mother that his recent failing grades represented a brokenhearted child's reaction to his adored parents' separation and pending divorce?
我怎能使他的父母相信他近来学习成绩下降是一个心碎的孩子对他敬爱的父母分居和即将离异的反应呢？
How could I convince his father and mother that his recent failing grades represented a broken-hearted child's reaction to his adored parents' separation and pending divorce?
但在口头报告中，输出时间增加的同时伴随着记忆成绩下降，而书写报告的记忆成绩不受影响。
The performance declined with the increase of the output time in oral report, but not in writing.
学生如果知道老师总爱对他们的学业指手划脚，就会产生焦虑感和压迫感，这样反而令他们的学习成绩下降。
Knowing that their teachers are always judging their work will generate feelings of anxiety and stress, thus lowering the quality of their performance.
结果表明：学习阶段的注意分散使以提取为基础的再认成绩下降，对以熟悉性为基础的再认成绩没有影响。
The results indicated that dispersed attention while studying progressively impaired RR, but pr was not affected by dispersed attention.
由于许多原因，后进生的自我效能感水平普遍低下，这是他们丧失学习信心、品德和学习成绩下降、人际关系恶化的主要原因。
Owing to many causes, low self-efficacy makes backward students lose learning confidence, poor in morality and school report, hard to get on with other people.
由于许多原因，后进生的自我效能感水平普遍低下，这是他们丧失学习信心、品德和学习成绩下降、人际关系恶化的主要原因。
Owing to many causes, low self-efficacy makes backward students lose learning confidence, poor in morality and school report, hard to get on with other people.
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