put in
v.
放进,提出,提交,插入,进入,使就职,种植,进港
To interpose:
插入,插话：
He put in a good word for me.
他插进来为我说了一句好话
To spend (time) at a location or job:
花时间：在某一场所或工作上花费（时间）：
The inmate had put in six years at hard labor.She put in eight hours behind a desk.
犯人已经做了六年的苦工.她在花了八小时办公
put into
v.
使进入,把...翻译成,在...上种植
The ship put in at Portsmouth to fuel.
船驶入朴次茅斯港口加煤.
The boat had to put into Liverpool for supplies.
"那艘船只得在利物浦停靠,装载补给品."
前者侧重于把……放进去后的状态,后者着重于过程