The number of people employed in agriculture has fallen in the last decade.

　　過去十年，農(nóng)業(yè)從業(yè)人數(shù)已經(jīng)下降。

　　She had fallen and cut her head open.

　　她摔了一跤，把頭磕破了。

　　The tunnel project has already fallen behind schedule.

　　隧道工程已經(jīng)晚了工期。

　　Several of the books had fallen onto the floor.

　　這些書有幾本掉到了地上。

　　The train was delayed because a tree had fallen across the line.

　　火車晚點是因為有一棵樹橫倒在鐵軌上。