Many other viruses may have evolved to lay dormant in ice when their host populations develop resistance, says Shoham.
肖海姆说,一些病毒在其宿主产生了抵抗力时,也许已经进化出许多另类病毒蛰伏于冰中。
2
Smooth ice provides very little resistance against objects, like ice skates, being dragged across its surface.
光滑的冰面对于物体——譬如在冰面上拖曳的冰刀——施加极小的摩擦阻力。
3
If the rocks are moving about on ice rafts, the ground below cannot offer as much resistance against their motion and the winds needed for movement wouldn't have to be as great, he argued.