沼澤, 濕地
an area of low-lying, uncultivated ground where water collects; a bog or marsh.
:
• The explorers had to trek through a dense swamp.
探險家們不得不跋涉穿過一片茂密的沼澤。
• Many unique species of plants and animals thrive in the swamp ecosystem.
許多獨特的動植物物種在沼澤生態系統中繁衍生息。