Meaning of jí jiù:
jí jiù
急救
Verb
to give emergency treatment
Tā zhèng zài xuéxí rúhé jìnxíng jíjiù.
他正在学习如何进行急救。
He is learning how to perform emergency treatment.
Noun
first aid
Wèile jiǎnshǎo shānghài, wǒmen xūyào jìnxíng jíjiù xùnliàn.
为了减少伤害,我们需要进行急救训练。
To minimize injuries, we need to undergo first aid training.

