For example, in looking at survey data on the health behavior of middle and high school students, the factor I found that best predicted whether or not a kid was obese was tooth brushing.
譬如说，在观察了一份有关中学生和大学生健康行为的调查后，我发现一个孩子是否肥胖的最佳预知方法是看刷牙。
But her healthful habits have been known to come up against her strong sweet tooth — especially in the middle of the night.
但是她健康的饮食习惯提醒着她不该吃这些甜食，特别是在夜深人静时候。
The study shows that the stress in tooth middle is larger than that in tooth root with big spiral Angle and light load.
研究表明，大螺旋角或小载荷时，齿腰应力大于齿根应力。
A formula is given to calculate the stress in tooth middle of GB12759-91 double circular-arc gear via regression analysis in this paper.
本文用回归分析法求得了GB12759—91型双圆弧齿轮的齿腰应力的计算公式。
Abstract: Objective: to investigate whether the number of tooth loss are associated with cardiovascular disease in middle-aged and elderly patients.
摘要目的：探讨中老年患者心血管疾病与牙齿缺失的关联性。
But tooth missing is precisely one of the common and frequently-occurring diseases in middle-aged persons and old persons, in particularly the elder.
而牙齿缺失，正是中老年人，尤其是老年人的常见病和多发病之一。
But tooth missing is precisely one of the common and frequently-occurring diseases in middle-aged persons and old persons, in particularly the elder.
而牙齿缺失，正是中老年人，尤其是老年人的常见病和多发病之一。
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