Syphilis, that is, smallpox, came from the West, and so on.梅毒即是天花, 来自西洋等等.tertiary syphilis第三期梅毒The symptoms of granuloma inguinale are similar to those of some other STDs ( chancroid, syphilis ).热带腹股沟肉芽肿的症状与某些其他性传播疾病 ( ...
黑人的食物可谓五花八门：有辣味的秋葵汤，有豇豆，还有羽衣甘蓝叶。Soul food is a varied cuisine: it includes spicy gumbos, black-eyed peas, and collard greens.赋予红辣椒辣味的化学物质可能对镇痛有帮助.The chemical that gives chili peppers their heat may help fight pain.在 辣味 ...
After some treatment of centripetal force , he deduces Kepler's third law.在向心力的一些论述之后，他推出了开普勒的第三定律。After some treatment of centripetal force, he deduces Kepler's third law.在向心力的一些论述之后, 他推出了开普勒的第三定律.It is called...