名词韧性; 坚韧; 刚性; 健壮性

noun

1. impressive difficulty

Synonym: formidability

2. the elasticity and hardness of a metal object
its ability to absorb considerable energy before cracking

Synonym: temper

3. the property of being big and strong

Synonym: huskinessruggedness

4. enduring strength and energy

Synonym: staminastaying power