Testing VD pathogen through PCR may efficaciously prevent, cure and control VD.利用PCR技术检测性病病原体,可有效的预防, 治疗和控制性病.Results In those pathogen there 52 % is Gram - positive bacteria, there 48 % is Gram - negative bacteria.结果致病菌...
He looked at the mess and smiled weakly.他看着这一片狼藉， 勉强地笑了笑。She started to sit up, grimaced, and sank back weakly against the pillow...她坐了起来，露出痛苦的表情，又有气无力地倒在枕头上。Laura leaned weakly against the door.劳拉虚弱地靠在门上。He smiled weakl...