sweel-and-swale topography是什么意思 sweel-and-swale topography在线中文翻译

sweel-and-swale topography

中文翻译
1
高低相间的地形
相关单词
topography

相关单词辨析

or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且,Hurry up and you'll catch the bus.