swampy land的意思|示意

Peninsular, island and archipelagic countries such as Indonesia, Malaysia and the Philippines lack vast tracts of flat, swampy land.

印尼、马来西亚和菲律宾分别是半岛、岛屿和群岛国家，缺乏大面积的湿地平原。

Wetlands are areas of marshy, swampy land, areas where water covers the soil, or is present either at or near the surface of the soil for a large part of the year.

湿地是指多沼泽的区域，软而湿的陆地，一年中的大部分时间有水覆盖着土壤、或是有水存在于土壤表面或接近土壤表面的地方。

A drawing model of slumping salvage was designed, and a preliminary analysis on drawing salvage is performed through slumping salvage tests in swampy land.

设计了陷落体救助模型系统，进行了沼泽湿地陷落体救助室内试验研究，对救助拉拔过程进行了初步的探讨。