无垠

The vastness of space defied comprehension.

外层空间茫茫无垠让无法弄清其究竟。

Land was seemingly limitless in extend and, therefore, not highly priced, and almost every colonist wanted to be a landholder.

土地似乎广阔无垠，因此价钱不高，而几乎所有殖民地都想成为土地拥有者。

An individual is only a tiny grain in the vast sea;it is the masses of people that are the boundless ocean.

个只一粟,民群无垠大。

A tenebrionid beetle, Onymacris rugatipennis, it buried itself one moment and then rushed forth again, as if skating along the surface of infinite sand grains.

我们还看见一种拟步行虫（Onymacrisrugatipennis）一下子把自己埋进沙地，一下子又向前冲，好像在无垠沙地上溜冰，动作之快，我几乎来不及抢拍牠模样。