There is evidence that all modem turtles are descended from a terrestrial ancestor which lived before most of the dinosaurs.

有证据表明所有现代海龟都有陆生的祖先，他们比大部分恐龙还古老。

youdao

Whales and dolphins have been found with hind limbs; this rare occurrence is due to the reemergence of a trait they inherited from their terrestrial ancestors.

发现鲸和海豚身上有后肢；这种稀有的现象是由于它们在陆地上的祖先身上的特征再次被遗传。

youdao

It's a gharial, perhaps the largest terrestrial carnivore ever to walk the earth, larger than T-Rex.

这是一条长吻鄂，可能是地球上有史以来最大的陆地食肉动物，比霸王龙还要大。

youdao

After a half-century,the search for extra-terrestrial intelligence, or SETI, has pretty much come up empty.

VOA: standard.2010.04.16

An explosive device could scatter debris and greatly increase the probability of a terrestrial collision, albeit a smaller one.

ECONOMIST: The American Association for the Advancement of Science

Falcone explained he was buying up spectrum anywhere he could and was building a 4G terrestrial network with a satellite overlay.

FORBES: Hedge Fund Billionaire Falcone Likes Crosstex Energy And MLPs

SKA, however, would be able to detect the leakage into space from a standard terrestrial television transmitter at a range of half a dozen light years or so.

ECONOMIST: Radio telescopes