锋利的刀刃可能会划伤皮肤，导致出血。A sharp blade is likely to nick the skin and draw blood.非正常的出血是你的身体发出的危险信号。The abnormal bleeding is your body's own red flag of danger.血液凝结，使伤口不再出血。The blood coagulates to stop wounds bleeding....
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...
It's two years since I've seen Iain. I'm still trying to wean myself off him but it's hard.我已有两年没见过伊恩了。我试图让自己不再去想他，可很难做到。Iain dipped into his briefcase and pulled out a photograph.伊安从他的公文包里拽出了一张照片....
When the time came to go, they drove to Naples.离别的时候到了, 他们乘车到那不勒斯.Modern pizza is attributed to baker Raffaele Esposito of Naples in the Italian region of Campania.现代比萨饼是意大利坎帕尼亚归因于面包地区拉法莱埃斯波西托在那不勒斯.He ordered the combine...