The hungry refugees crowded around the tractors.

饥饿的难民们围在拖拉机旁。

Hundreds of tractors will converge on the capital.

成百上千的拖拉机将向首都聚集。

There are new tractors and new ploughs in the machinery lot.

机器设备场里有新拖拉机和新耕犁。

Where we use tractors, obviously they used cart horses in those days.

我们现在使用拖拉机的地方，很明显过去使用的是马。

Tractors clattered along the road.

拖拉机走在路上铿铿地响。