検索内容:
body / physique, constitution, frame / health
His body is very healthy.
harmful, nocuous
This chemical is harmful.
harmfulness
This chemical is harmful and has a negative impact on the environment.
mercury, quicksilver (the metal)
Mercury is a harmful element for the body.
(chemistry) mercury, quicksilver
Mercury is a very harmful element for the body.
(chemistry) element, chemical element
Hydrogen is the most abundant element in the universe.
(chemistry) mercury(II) fulminate
Mercury(II) fulminate is a very sensitive explosive and needs to be handled properly.
an isotope
An isotope refers to elements with the same atomic number but different numbers of neutrons.
(chemistry) rare earth elements
Rare earth elements are essential materials for the manufacture of electronic devices.
a transition element
Transition elements play an important role in chemical reactions.
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