粒子的英文：
(elementary) particle
grain

参考例句：

Particle Formation
粒子分布;粒子构造

PARTICLE BOMB
粒子爆炸

Particle Caching
粒子缓冲

Particle Timing
粒子定时器

Particle Spawn
粒子产卵

PARTICLE BLIZZARD
暴风雪粒子

Particle Tool
粒子工具

Particle accelerator
粒子加速器

Nuclear explosions have released radiative particles into the sea
核爆炸向海洋释放了放射性粒子。

Particles, such as pi-mesons, requiring symmetric wave functions are called bosons
要求对称波函数的粒子，如π介子，叫做玻色子。

elementary是什么意思：
adj. 初级的；基本的；简单的

elementary subdivision
初等重分

The cyclotron frequency can also be derived by an elementary argument
回转频率也可以通过浅显的论证导出来。

Will it is better to send them to a private elementary school?
是不是送他们到私立小学比较好?

particle是什么意思：
n. 微粒；颗粒；极小量；粒子，质点；小品词

swarm of particles
粒子群集

Magnetic particle testing/magnetic particle examination
磁粉检测

The particles will be deposited on horizontal surface.
这些粒子将沉淀在水平面上。

grain是什么意思：
n. 谷物；颗粒；一点儿；纹理；本质
v. 使成粒状

They are similar in grain.
他们气质相似。

Slowly each grain of wood was replaced with grains of minerals.
慢慢地所有的木质都被矿物微粒所取代。

Grain by grain and hen fills her belly
一粒一粒啄米,母鸡填饱肚皮