那些有着巨大的鳍和颚的雄鲑鱼往往是获胜者。
It often turns out to be the male fish with bigger fins and jaws.
那拳击手一拳重击在对手的颚上。
她的唇与颚温柔而坚毅。
所以为了发挥头盔的充分作用，请在任何时候都系上头盔颚带。
To get the full benefit of your helmet, keep your helmet fastened at all times.
所以为了发挥头盔的充分作用，请在任何时候都系上头盔颚带。
To get the full benefit of your helmet, keep your helmet fastened at all times.
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