After a while,we found a shady place under some poplar trees.
在一会儿以后,我们在一些白杨树下面发现了一块遮阴的地方。
After entering the narrow gap on the plateau, they climbed down the steep sides of the cave until they came to narrow corridor.
他们从高原上的窄缝进去,顺着笔直陡峭的洞壁往下爬。来到一条狭窄的走廊上。