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Let's start this sentence over.
我们从头重复一遍
The authors of this study estimated that participants
研究人员估测如下
with the highest levels of total physical activity had
做全面高强度运动的参与者
between 20 and 25% lower risk of developing
直肠癌的发病率
colon cancer compared to their inactive counterparts.
要比与不经常运动的参与者低20%到25%
The level of activity required to generate the
能够达到防癌效果的运动强度
protective effects were 1 hour per day of vigorous...
是每天一小时的剧烈运动
The level of activity required to generate
能够达到防癌效果的运动强度
the protective effects were 1 hour per day
是每天一小时的剧烈运动
of vigorous physical activity, a MET of 6,
MET值达到6
or 2 hours per day of moderate intensity physical
或者是每天两小时的中等强度运动
activity with a MET of 3. This activity could be
MET值为3，运动种类可以是
in any combination of household,
家务，休闲活动
recreational or occupational activities.
或是工作活动中的任何搭配
The study showed that participants who were lean
研究表明
with a normal body weight had a low energy intake
那些从膳食中摄取低能量
from their diets tended to have an even
并且体重正常的参与者
greater protective effect from physical activity.
会从运动中获得更好的防癌效果
This suggests that maintaining normal weight.
这意味着保持正常体重
Did I mess up that first sentence too?
我是不是把第一句弄乱了
It sounded funny.
这听起来很滑稽
I don't think so. I think you did good.
我没觉得你说的是对的
Ok. Alright. This suggests that maintaining
好吧，这意味着保持正常体重
normal weight, moderating dietary energy,
节制膳食能量
does that sound right? Moderate...
起来对吗，节制
Moderate?
节制?
Why don't you say moderate diet energy intake.
节制膳食能量摄取怎么样?
Moderating doesn't sound right.
节制一词听起来不对
Yeah, I'm not sure that's a word.
我不确定那是一个正确的词汇
Ok. This suggests that maintaining
好吧，这意味着
normal weight, moderate diet energy intake
保持正常体重，节制膳食能量摄入
and engaging in routine physical activity
参加日常体育运动
are the most effective means of reducing
是降低结肠癌发病风险的最有效途径
colon cancer risk. The study did also find that
研究还发现
overweight subjects derived benefits
超重的研究对象能够通过运动
from physical activity in reducing colon cancer risk.
降低结肠癌发病风险
Therefore physical activity is a value in all people.
所以，运动能够为所有人带来益处
A finding of the study was that protective effects
研究发现
of physical activity were strongest in reducing the
运动减少右侧结肠癌发病风险的效果
risk of cancers in the right side of the colon.
是最明显的
The reason.for this are not fully clear at the time.
这一现象的原因目前还不清楚
in this group of people physical activity did not...
这组研究对象的运动情况
in this group of people physical activity did not
并没有对直肠癌风险
affect the risk of rectal cancer.
有所影响
