查询结果:

vt. 请求;恳求(援助等);援引(法规、条文等)

拆分: in-向上 + -vok-叫喊 + -e动词词尾 ⇒ 大声呼唤 ⇒ 祈求神灵或援引权威      

例:
to invoke an article of the Charter of the United Nations 援引《联合国宪章》条文 
She had invoked the law in her own defence. 她援引法律为自己辩护。 
She invoked their help. 她恳求他们帮忙。