英和和英

The wonder of the elements

an elementary particle

an inanimate object

an inanimate object

an element whose valence is expressed by an even number, called

a lepton, called muon

a radioactive isotope of an element

an elementary particle with negative charge

an invaluable thing

a minor matter

an unimportant thing

an unimportant thing

a particle that is a component of matter, called elementary particle

an indecent matter

a particle, called ion

analogue device

a transuranic element

an uncharged particle

an elementary particle

an inferior article

an elementary particle with zero charge and zero mass

a numerator in a fraction

a worthless matter

an unused thing

an unnecessary thing

a trivial matter

a trivial matter

a trivial matter

an elementary particle, called meson

an element called thulium