terra firma/ˌterə ˈfɜ:mə; `tɛrə`fəmə/ dryland; the ground (contrasted with water or air) 陆地, 大地(与水或空中相对) glad to be on terra firma again, eg after a trip by boat or aeroplane 又回到陆地上, 很高兴(如下船或下飞机时).
牛津英汉双解词典