他们在湖边停放房车，享受周末露营。

They parked their ___caravan by the lake for a weekend camping trip.

商队沿着古老的丝绸之路缓缓前行，骆驼背上满载着货物。

The ___caravan moved slowly along the ancient Silk Road, with camels carrying heavy loads.

农夫用篷车运送饲料到农场。

The farmer used a ___caravan to transport feed to the farm.