自然景观词汇 — 英语词汇题
题目
根据首字母及中文提示，补全下列自然景观词汇：1. d_____ （沙漠）——a large area of land with very little water and few plants; 2. w_____ （瀑布）——water falling from a high place; 3. v_____ （山谷）——low land between hills or mountains; 4. c_____ （洞穴）——a large natural hole in the side of a hill or under the ground