活塞表面涂有石墨以减少摩擦。
听起来就像是两块木头在一起摩擦。
萨拉感觉到她的孩子们中间出现了摩擦。
Sara sensed that there had been friction between her children.
航天飞机重返地球大气层时因有摩擦力而减慢速度。
The force of friction slows the spacecraft down as it re-enters the earth's atmosphere.
冰川和基岩之间的摩擦减少了。
它们在石头和根茎上摩擦自己。
然而，现实世界充满了摩擦。
磁悬浮不依赖于车轮在轨道上的摩擦力。
那种摩擦有时会让两个团队很难一起工作。
That friction sometimes makes it difficult for the two teams to work together.
每次我使用方向盘时，都会摩擦掉一些微粒。
这层水减少了摩擦。
代沟会导致误解，引起父母和孩子之间的摩擦。
The generation gap can result in misunderstandings and cause friction between parents and children.
摩擦痕迹显示他们曾经是项链或手镯的一部分。
Friction marks indicated that they did, indeed, once form part of a necklace or bracelet.
通过摩擦，这种弯曲在月球内部产生了能够融化冰的热量。
Through friction, this flexing produces heat in the moon's interior capable of melting ice.
雄鹿摩擦前额很可能向同类中的其它成员发出了大量信息。
Forehead rubbing by male deer on buck rubs presumably sends a great deal of information to other members of the same species.
为了取暖，那名水手坐在火堆前，用一只脚摩擦着另一只脚。
To warm himself, the sailor sat in front of the fire rubbing one bare foot against the other.
这些气味使雄鹿的相互摩擦成为鹿之间嗅觉交流的重要手段。
These odors make buck rubs an important means of olfactory communication between deer.
老鼠嗅到这种气味时会停下来，摩擦双腿，表明样本已被感染。
When the rats detect the smell, they stop and rub their legs to indicate a sample is infected.
人们发现当白尾鹿摩擦时，它的鹿角和前额腺会沿着小树垂直移动。
It was found that when a white-tailed buck makes a rub, it moves both antlers and forehead glands along the small tree in a vertical direction.
美国中东部森林中的树皮光滑的小红枫是雄鹿进行摩擦的理想树种。
The smooth bark of small red maples makes this species ideal for buck rubs in the forests of the mid-eastern United States.
这种摩擦往往会减慢风的速度，使它们吹散污染物的效率大大降低。
This friction tends to slow the speed of winds, making them far less efficient at dispersing pollutants.
改善交流会带来更多的贸易和合同，但也会增加社会群体之间的摩擦。
Improving communications brought more trade and contract, but also more friction between social groups.
现在，测试人员和开发人员之间的这种差异可能会导致出现一些摩擦。
Now, this difference between the testers and the developers can lead to an environment where there is a bit of friction.
当老鼠闻到气味时，它们会停下来摩擦自己的腿，这表示样本已被感染。
When the rats detect the scent, they stop and rub their legs to indicate a sample of infected.
风向在城市里也会改变，因为建筑物增加了它们周围流动的空气的摩擦力。
Wind movements are also modified in cities because buildings increase the friction on air flowing around them.
在正常情况下，由粘土组成的岩石产生的摩擦要比其他类型的岩石小得多。
Under normal conditions, rocks composed of clay produce far less friction than do other rock types.
这种毡制品只是为了消除与塑料产生太多的摩擦力，或者让它与外壳稍微分开。
This felt thing there is just to avoid too much friction from building up with the plastic or to keep it slightly separated from the case.
这种毡制品只是为了消除与塑料产生太多的摩擦力，或者让它与外壳稍微分开。
This felt thing there is just to avoid too much friction from building up with the plastic or to keep it slightly separated from the case.
你可以通过快速地用舌头摩擦上颚来帮助食物变暖，从而缓解吃冰激凌时的头痛。
You can improve an ice cream headache by rapidly rubbing your tongue across the roof of your mouth to help warm up things.
不作战时，士兵需要处于忙碌状态；否则他们就会是危险的摩擦及不忠的潜在来源。
When not campaigning, soldiers needed to be occupied; otherwise they represented a potentially dangerous source of friction and disloyalty.
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