terra firma
noun [ U ] usually humorous uk/ˌter.ə ˈfɜː.mə/ us/ˌter.ə ˈfɝː.mə/
（与海洋、天空相对的）大陆，陆地
dry land, when compared with the sea or air
It was good to get back on terra firma again after a very rough ferry ride to Calais. 前往加莱的轮渡非常颠簸，回到了陆地上后感觉真是太好了。
Synonym: dry land