一、英文单词：
set out; start off; start from; proceed from; depart
二、双语例句：
1
我们出发时正下着雨。
It was raining when we set out.
2
侦察兵们在一个雷雨之夜出发去执行任务。
The scouts started off on their mission on a stormy night.
3
他们快要出发了。
They are about to start.
4
我们向南出发了。
We set off in a southerly direction.
5
部队就要出发了。
The troops are about to set out.
6
我无比乐观地出发了。
I set off, full of optimism.
7
我们出发去看金字塔和狮身人面像。
We set off to see the Pyramids and Sphinx.
8
他们沿着河岸向西出发了。
They set out in a westerly direction along the riverbank.
9
正当她准备出发去下一个村子时，两个朋友乘出租车来了。
Just as she prepared to set off to the next village, two friends arrived in a taxi.
10
他们如果是两点出发的，现在该到那儿了。
If they had started at two o'clock, they ought to have got there by now.
11
于是，我们一面抱怨延误了时间，一面又朝西出发了。
So we set off again, cursing the delay, towards the west
12
我们挤进我的车子，然后出发了。
We crammed into my car and set off
13
他们从起点出发已经走了至少几英里。
They had already walked a couple of miles or more from their starting point.
14
他们出发去进行一次危险的远征。
They started on a dangerous expedition.
15
我们必须马上出发。
We must start at once.