a. 自给自足的, 极为自负的
在线英汉词典

self-sufficient的短语、例句：

self-sufficient adj ~ (in sth) able to fulfil one´s own needs, without help from others 自给自足的
She´s handicapped but very self-sufficient. 她身体有缺陷, 但很有自立的能力.
a countryself-sufficient in coal, ie producing all the coal it needs 煤炭自给自足的国家.