inert: 迟钝的; lacking the power to move; lethargic
1) having no power to act or move
2) not reacting chemically; inactive
3) unable to move or resist motion
Synonyms: dormant, inactive, motionless
inert fast moving, active, dynamic, move fast
reactant inert material
Inert and silent as rocks, the children sat and watched TV
Inert gases like krypton and argon can enhance window insulation.
ephemeral : endure = inert : react『ineffectual : proceed』生命短暂的不耐久=惰性的不反应
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