1. 重粒子：heavy nucleus 重核 | heavy particle 重粒子 | heavy particle collision 重粒子碰撞
2. 重粒子,重质子,重子：heavy paraffin hydrocarbon ==> 重烷烃 | heavy particle ==> 重粒子,重质子,重子 | heavy particle beam ==> 重粒子束
1. Workers uploading cement have to wear masks to fend off the heavy dust particle in the air.
noun
1. any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions
a hadron with a baryon number of +1
Synonym: baryon