rare earths

稀的英語翻譯：

rare; scarce; sparse; watery

土的英語翻譯：

dust; earth; ground; homemade; land; local; soil; unrefined
【醫(yī)】 clay; earth; geo-; terra; terrae

族的英語翻譯：

a group of things with common features; clan; family; race; strain
【化】 alkaline earths; family; group; odd series; periodic family; sub-group
subgroup
【醫(yī)】 group; race; series; tribe