原发型梅毒可在唇上产生下疳.Syhilis, in its primary form , may produce a chancre on the lips.听说下疳是一种特别难以治愈的性病.It is said that hard chancres are a kind of syphilis that is hard to cure.热带腹股沟肉芽肿的症状与某些其他性传播疾病 ( 软性下疳 、 梅毒 ) 的症状相似.The symp...
Aha! Here at last, the answer to my question.啊哈，我的问题到这儿终于有了答案。"Aha!" Dave nodded maddeningly.“啊哈！”戴夫令人气恼地点头说道。Aha! So that's where I left it!啊哈！原来我把它丢在这儿了！...
American shares rose, on average, by 38%...美国股票价格平均上涨了38％。Puerto Rico, though it calls itself a Commonwealth, is really a self-governing American colony.波多黎各尽管自称共和国，但实际上是有自治权的美国殖民地。To find out more about cancer warning s...
Ovarian 2 rooms, ovule much line, style filiform, post tongue shape is compressed.子房2室, 胚珠多列, 花柱丝状, 柱头舌状扁平.The ovarian follicles are embedded in the stroma of the cortex.卵巢皮质的基质中有许多卵泡.Objective To compare the results of ...