gallium

例句：

1. 1.This is the first time we have used gallium in our experiment.
   这是我们第一次在实验中使用镓。
2. 2. Gallium has a unique property that makes it useful in electronics.
   镓具有独特的性质，使其在电子学中非常有用。
3. 3. The gallium-indium alloy is commonly used in soldering and electrical connections.
   镓铟合金常用于焊接和电气连接。