专升本英语必背单词及固定搭配 2500词 逐词讲解 day8

单词:
communications 交流
technology 技术
runs 运营,经营
own v:有;adj:自己的;
搭配:
help oneself to do sth. 自己/独立做某事
help yourself to do 请自便,随便吃,随便点
as we all know 众所周知
depend on 取决于,依赖
mean doing 意味着,意为做某事
mean to do 打算做某事
be known to 被知晓