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来源:雅诚德英语网
Crocodiles have strong muscles for closing their jaws and holding them shut, but weak muscles for opening them.
巨鳄拥有强劲的咬合肌肉,但是用于张开嘴的肌肉却十分软弱无力。
Crocodiles have strong muscles for closing their jaws and holding them shut, but weak muscles for opening them.
巨鳄拥有强劲的咬合肌肉,但是用于张开嘴的肌肉却十分软弱无力。