He can dig a hole and hide in the ground, and then the earth can protect him.
他可以挖一个洞,藏在地里,然后大地可以保护他。
2
When plants shoot on the earth, their stems grow away from the gravity (the force that keeps your feet on the ground), and so they always shoot upwards.
Over by the airstrip, there’s further evidence of global reach: a ground station to which various German Earth-observing satellites send down their data.