1·A proton is an elementary particle of matter that possesses a positive charge.
质子是带正电荷的物质的基本粒子。
—— 《柯林斯英汉双解大词典》
2·A fundamental particle is created when three ribbons are joined in a "plait".
当三条纽带织成一根“辫子”时，就产生了一个基本粒子。
3·How can scientists detect a particle that interacts so infrequently with other matter?
科学家们是如何探测到一种很少与其他物质相互起作用的粒子的呢？
4·Could someone build a particle accelerator in his home or tiny lab, like Tony Stark does?
有人能像托尼·斯塔克那样，在他家里或小实验室建造一个粒子加速器吗?
5·Tony Stark has a particle accelerator in his home, but just how plausible is such a build?
托尼·斯塔克在他家就建了个粒子加速器，但这样的建造有多可信呢？
1·If the particle is not washed out by tears, you might have to go to the doctor.
如果这些颗粒没有被眼泪冲走，你可能需要去看医生。
2·Have you ever gotten a piece of sand or dirt or other small particle in your eye?
你曾经有过沙子、灰尘或其他小颗粒进入眼睛的经历吗？
3·Geldart classified particles into four groups by the particle size and its characteristics.
吉尔达特根据颗粒大小及其特性将颗粒分为四组。
4·Eucommia ulmoides gum is a crystalline particle existing in the bark and leaf of Duzhong tree.
杜仲胶是杜仲树树皮和叶片中存在的一种结晶颗粒。
5·How proteins are targeted and translocated mediated by signal recognition particle (SRP) in eukaryotic cell is very clear and uniform.
信号识别颗粒（SRP）在真核细胞中如何定向和转运蛋白质是非常清楚和统一的。
1·And that force tends to cause it, if you have a moving charged particle, to deflect its trajectory and start rotating in a magnetic field.
这个力会产生这样的作用，有一个运动中的带电微粒，磁力会使其轨道偏转，并在磁场中做旋转。
2·According to this idea, the particle could be egg-shaped.
根据这个观点，这种微粒可能是卵形。
3·Compared to surrounding air, ship exhaust has more particles, and each particle can act as a nucleus around which water vapor condenses.
与周边空气相比，轮船轨迹含有更多微粒。水蒸气围绕着这些作为核子的微粒凝结。
4·As the planets congealed, gravitational forces and particle collisions created the high temperatures necessary to melt metals floating around in space, and minerals began their diversification.
行星凝聚过程中，重力和微粒碰撞造就了高温环境，这对融化漂浮在太空中的金属粒子是必需的，各种矿物也开始形成。
5·The experiment on cloud formation also seems likely to undermine the particle physics laboratory's reputation for pursuing only blue skies research.
微粒物理实验室一直以研究晴空而著称，如今关于云层形成的实验似乎与它的这一名声背道而驰。
1·Vessel can not be regarded as particle while vessel is berthing, so distance of vessel and shoreline is not distance of point and line, it should be calculated as space between polygon and line.
在船舶靠泊操纵仿真中，由于船舶不能视为质点运动，因此船岸距离的计算不能简单地归结为点线距离，而应该用多边形间距方法进行计算。
2·Then, we study some turning motion model, and then puts forward a curve motion model and its brief model based on the particle.
然后介绍了几种转弯运动模型，提出了一种基于质点的曲线运动模型及其在特定条件下的简化模型。
3·Then how USM works and how the ellipse trace of particle on the surface of stator forms are analyzed.
接着分析了超声波电动机的工作原理和定子表面质点椭圆运动的形成机理。
4·The molecules comprising this particle are continuously changing.
组成该质点的分子是连续变化的。
5·What is the work done on the particle in this case?
这种情况下对质点所作的功是多少？