These compounds pair one or more elements from the third column of the periodic table (such as aluminum, gallium or indium) with an element from the fifth column (typically phosphate, arsenic or antimony).

• 这些化合物将周期表第三栏里的一种或多种元素（例如铝、镓或铟）与第五栏里的一种元素（通常是磷、砷或锑）配在一起。