tougher

adj.

坚强的( tough的比较级 )；坚韧的；艰苦的；粗暴的

1. Humans have the tougher time ascending in harmlessness as compared with dolphins and whales.
   相比海豚和鲸鱼，人类在提升入无害中有着更困难的时期。
2. But as climate change causes plants to peak earlier, caribou newborns that eat the plants face tougher odds for survival.
   但是当气候变化的原因植物高峰前，北美驯鹿新生儿吃植物面对更困难的机率为了生存。

Tougher ceramics with nanotubes
TOUGHER CYCLOALIPHATIC EPOXIDE RESINS
Pushing tougher constraints in frequent pattern mining
Composite materials: Tougher ceramics with nanotubes
Tougher ultrafine grain Cu via high-angle grain boundaries and low dislocation density
Did U.S. Bank Supervisors Get Tougher During the Credit Crunch? Did They Get Easier During the Banking Boom? Did It Matter to Bank L...
The Schools Our Children Deserve: Moving Beyond Traditional Classrooms and "Tougher Standards"
Single‐Crystal SiC Nanowires with a Thin Carbon Coating for Stronger and Tougher Ceramic Composites
Single-Crystal SiC Nanowires with a Thin Carbon Coating for Stronger and Tougher Ceramic Composites †
Bos indicus -cross feedlot cattle with excitable temperaments have tougher meat and a higher incidence of borderline dark cutters