a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
例句
用作名词 (n.)
Indium,boron and gallium are used in making solar cells. 铟，镓，硼，应用到太阳能电池中。
There is much gallium and germanium in zinc-leaching residues. 锌浸渣中含有数量可观的镓锗。
美
['ɡæliəm]
