[jj]
1.set up组建
The two sides agreed to set up a commission to investigate claims...
双方同意组建一个委员会来调查那些索赔要求 。
2.arrive at到达
As soon as you arrive at your destination, step out of the aircraft and reset your wristwatch.
你一到达目的地,就走出飞机并重新设置手表时间 。
3.step off走下
I watched him step off the pavement, cross the street, and disappear into the post office.
我看见他走下人行道,过行街,进了邮局 。
[/jj]