Because of the great weight pressing down on them, these layers tend to fold downward at weakspots, and this finally causes an actual break in the crust.
由于巨大的重量向下压岩层,使它趋于在它的薄弱处向下折叠,这最终导致地壳的实质断裂。
2
She has an unerring instinct for people's weakspots.