inject

这是一种注射药物的方式。

This is a way to ___inject medicine.

护士需要将药物注射到患者的静脉中。

The nurse needs to ___inject the medicine into the patient's vein.

老师试图通过互动游戏为课堂注入更多活力。

The teacher tried to ___inject more energy into the class through interactive games.