这个蓄着黑须的英俊男人的周围萦绕着一团疑云。
There was a mystery surrounding this black bearded, handsome man.
视频中前景是巴拉维自己，他身边坐着的是一个身材消瘦，留着黑须的男性，CIA的反恐专家们立即就辨认出这个人。
In the foreground was Balawi himself. Seated near him was a slim, dark-bearded man whose face was instantly recognized by the agency's counterterrorism experts.
利用扫描电子显微镜观察了黑胸大蠊Periplanetafuliginosa（Serville）成虫下颚须和下唇须上的感器形态。
The external morphology of sensilla on maxillary and labial palpus of Periplaneta fuliginosa(Serville) was observed with scanning electron microscope.
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