1 (technical 术语) (used about animals and plants) living on the land or on the ground, rather than in water, in trees or in the air ﹙动植物﹚陆地的，陆栖的，陆生的: terrestrial species/animals/plants 陆生物种/动物/植物 a terrestrial habitat 陆上栖息地

2 connected with the planet Earth 地球的；地球上的: terrestrial life 地球上的生物 ☞ Compare extraterrestrial. 与 extraterrestrial 比较。

3 (used about television and broadcasting systems) operating on earth rather than from a satellite ﹙电视和广播系统﹚陆地上的，地面上的