The expedition through the jungle was fraught with difficulties and danger.
穿越森林的探险充满了艰辛和危险。
Their daily trips through the jungle have made a path in the thick undergrowth.
他们每天往返穿过丛林, 已在茂密的矮丛中踩出了一条小路。
The scientist discovered the plant in the most inaccessible reaches of the jungle.
这位科学家在丛林深处最难进入的区域发现了这种植物。
