Accident 3: A fall
事故3:跌落
A: Marco has fallen off a ladder. I think he's hurt his back. What shall we do?
A:馬可從梯子上掉下來了。我想他傷了背。我們該怎么辦?
B:We'd better not move him. I'll get the first-aider.
B:我們最好不要挪動他。我去叫急救員。