lithium shot

例句：

1. 1. The scientist used a lithium shot to test the reaction.
   科学家用一颗锂弹来测试反应。
2. 2. The military had been using lithium shots for years.
   军方多年来一直使用锂弹。
3. 3. The lithium shot was a major factor in the explosion.
   锂弹是爆炸的主要原因。