ter·ra fir·ma /ˌterə ˈfɜːmə $ -ˈfɜːr-/ noun [uncountableU] LAND/GROUNDland, rather than sea or air – used humorously 大地,陆地〔幽默用法〕 We were glad to be back on terra firma. 我们很高兴回到了陆地上。
terra firma• The rain seeps down through the snow and forms a bit of terra firma when the temperature plummets.• Their celestial explorations are firmly rooted where they are, on terra firma.• We were glad to be back on terra firma again.