我的朋友答应，一旦我们在穿越森林时遇见野兽，他一定帮助我。但是当熊走近时，他却退缩了。 My friend promised me to help me if we meet any wild beasts when we travelled through a forest, but when the bear came up, he hung back.
他们被禁止穿越占领区。 They were denied passage through the occupied territory.
我们在穿越这个地区的旅途中，看到了不少美丽的景色。 We passed through some beautiful scenery on our journey through this district.
穿越森林的探险充满了艰辛和危险。 The expedition through the jungle was fraught with difficulties and danger.
