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1·The exercise consists of stretching and contracting the leg muscles.

此项训练包括伸展和收缩腿部肌肉。《牛津词典》

2·Stretching exercises can help you avoid injury and improve your game.

伸展运动有助于防止身体受伤，并能提高比赛技巧。《牛津词典》

3·A stretching routine has helped many people in their health condition.

伸展运动对许多人的健康状况都有帮助。

4·The key to the exercises presented below is to maintain good form and don't look sloppy stretching.

下面的练习的关键是保持良好的姿势，拉伸不要看起来草率。

5·Stretching out our arms and legs before doing a vigorous exercise can prevent us from getting injured.

在做剧烈运动之前伸展胳膊和腿可以防止我们受伤。

6·I do exercises for legs approximately once a week and most of my leg workouts include ballet movements and yoga stretching.

我大约每星期一次做腿部运动，而且绝大部分的腿部训练包括芭蕾舞步和瑜伽伸展运动。

7·There was the delight I caught in seeing long straight rows of red and green vegetables stretching away in the sun to the bright horizon.

看到一排排红色和绿色的蔬菜在阳光下伸展到明亮的地平线上，我感到很高兴。

8·Like all gyms, they have all sorts of things to help build up muscles in different parts of the body, like applied bicycles, chest stretching machines, and running machines.

像所有的健身房一样，它们有各种各样的器材来帮助锻炼身体不同部位的肌肉，比如实用的自行车、胸部拉伸机和跑步机。

9·Wilson suggested that the long chain of volcanoes stretching northwest from Hawaii is simply the surface expression of a long-lived volcanic source located beneath the tectonic plate in the mantle.

威尔逊认为，夏威夷向西北延伸的火山长链只是一个长期存于板块下、地幔中的火山源在板块表面的表现。

10·Liz laughed, stretching luxuriously.

莉兹一边大笑，一边心情舒畅地伸了个懒腰。《柯林斯英汉双解大词典》

拉伸

1·Like all gyms, they have all sorts of things to help build up muscles in different parts of the body, like applied bicycles, chest stretching machines, and running machines.

像所有的健身房一样，它们有各种各样的器材来帮助锻炼身体不同部位的肌肉，比如实用的自行车、胸部拉伸机和跑步机。

2·Both are caused by the stretching of skin muscles and ligaments and both are normal.

这都是因为皮肤、肌肉和韧带拉伸的原故，也都属于正常现象。

3·Both are caused by the stretching of skin, muscles and ligaments, and both are normal.

这都是因为皮肤、肌肉和韧带拉伸的原故，也都属于正常现象。

4·During its life cycle, a component undergoes a series of translations, rotations, scaling, shearing, and stretching before it's finally displayed on the screen.

在其生命周期中，一个组件经历一系列的转换、旋转、缩放、剪切和拉伸，最后才显示在屏幕上。

5·Your brain and your nervous system need glucose to work: that means walking, speaking, stretching, typing - any activity requires this fuel.

你的大脑和中枢神经系统的工作需要葡萄糖：即走路，说话，拉伸，打字-任何活动都需要这种燃料。

伸长

1·The primary purpose of a seam finish is the prevention of raveling, stretching, or curling.

缝份的加工处理主要目的是防止毛边松散、伸长或卷曲。

2·Heating stretching pipe hanger should be fixed oppositely to the direction of the thermal expansion.

有热伸长的管道吊杆，应向热膨胀的反方向偏移。

3·Topology is the mathematical study of properties that are unchanged when an object is smoothly deformed, by actions such as stretching, squashing and bending but not by cutting or joining.

拓扑是一门数学，它研究的对象是物体在平滑变形(例如伸长、挤压、弯曲、但不得切断或连接起来)之下仍会保持不变的性质。

4·To prevent a seam from stretching, Sue a twill tape to support the seam.

为了防止缝线伸长，用斜纹布贴带加以固定。

5·With the increasing of the length of belt conveyors and the using of burning-proof belts. The existing take-up cannot meet the needs of belt tension for the stretching amounts of the belt increase.

随着煤矿带式输送机长度的增加和阻燃整芯输送带的伸长量增大，现有的张紧装置难以适应这种输送带张紧的要求。

展宽

1·As an important feature, the characteristics of echo stretching affects SNR of received laser echo signal and ranging accuracy.

脉冲展宽特性是激光回波的重要特性，其影响到回波接收信噪比和测距精度。

2·Finally, the method using the characteristics of the echo stretching to retrieve the target inclination Angle was brought forward.

最后提出了利用激光遥感回波脉宽展宽特性反演目标倾斜角的方法。

(1)stretching force拉力；张力

(1)stretching vibration伸缩振动，弹性振动

(1)stretching machine拉伸矫直机；伸展机