devote是及物动词，必须接宾语那为什么可以用 be devoted to doing

1. devote是及物动词，必须接宾语那为什么可以用 be devoted to doing

因为be devoted to doing是固定搭配和用法，意思是献身于/专注于某事。

例句：
1、All his spare time has been devoted to learning English over the radio. 
他所有的业余时间都花在通过收音机学习英语上了。
2、The rest of the article will be devoted to planning for and recovering from this last form of failure. 
本文的其余部分将致力于最后一种形式的失败的计划和恢复。
3、He devoted his whole life to doing the research for the benefit of mankind. 
为了造福人类他一生都在进行研究。
4、It now has a unit devoted to doing those things and a team of scientists whose job isto scour the internet and scientific publications for breakthroughs it may be ableto use. 
现在有个部门专门做这些事，还有一个科学家团队负责搜索互联网和科学刊物，看可以利用哪些科技突破。