1. The guerrillas were holding out in the Paghman valley.
2. The truck was trundling along the escarpment of the Zambesi valley.
3. These Severn Valley woods have been exploited for timber since Saxon times.
从撒克逊时代起就开始采伐塞文山谷的这些树林获取木料。
4. A broken blue line means the course of a waterless valley.
5. Tourists can visit outlying areas like the Napa Valley Wine Country.
游客可以前往像纳帕谷酒乡这样远离城市喧嚣的地方游览。
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