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alkaline earth metal
met. 碱土金属 (【技】元素周期表中 11A 族元素金属。含铍、镁、钙、锶、钡和镭。)
tech. 碱土金属 (元素)
alkaline-earth metal
ecol. 碱土金属
alkaline- earth metal
: 7 phrases in 4 subjects
Automobiles1
Metallurgy4
Technology1
Water resources1