详细字义
◎ 镓
鎵 jiā
〈名〉
一种稀有蓝白色三价金属元素，在低温时硬而脆，而一超过室温就熔融。它凝固时膨胀，通常是作为从铝土矿中提取铝或从锌矿石中提取锌时的副产物得到的 [gallium]——元素符号Ga
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