开始做某个特定的活动或行动：指开始进行某项特定的活动或行动。
start in //
动词 to undertake (something or doing something); commence or begin 着手(某事或做某事); 开始
... start in 开始 start off 开始/展开(之后接不接宾语均可) start out 出发,动身;开始时打算,本来想要 ...
...资料夹是 C:\Program Files\EmEditor，那么请输入 "C:\Program Files\EmEditor\emeditor.exe" /cd，并且在「起始位置(Start in) 文字方块中输入您要打开的资料夹路径。
... start from the station从车站出发 start in使着手做一件工作 start in business开始营业 ...
...step u... start from从…开始；出发；出于... start in开始工作[活动，做事... start off开始旅行；以…开始；...
开始
institute / proceed / initiate / lead off / engage upon
The job gave him his start in journalism.
那份工作是他加入新闻界的开始。
Start in the center of a page.
从页面中心开始。
Classes start in September.
九月份开始上课。
Another friend sent this message to Roosevelt on his forty-sixth birthday: "You have made a very good start in life.
VOA : special.2010.08.12
So I'm going to start in the middle of this: The crowd laughs long and loud.
他们的对话是这样进行的，：,“大家大笑很久“
1945年后的美国小说课程节选 : 耶鲁公开课
we'll start in on discussing chemical equilibrium, does deriving where they lie phase equilibrium?
我们就要开始讨论化学平衡，推导相平衡在什么位置？
热力学与动力学课程节选 : 麻省理工公开课
And he says it must start in the schools by giving all Indian children the same instruction on physical activity and diet.
VOA : special.2010.05.12
Electric signals start in nerve cells and travel along these fibers to and from the brain.
VOA : special.2009.01.06
So definitely I want to play well for Arsenal to start in the World Cup.
Cirrus made its start in the 1980s, designing kit airplanes out of a farmhouse in Wisconsin.
Webb got his start in the music business as a staff songwriter for Motown.