He thinks he can find a way to vaccinate the elephants from a safe distance.他认为自己能找到一种从安全距离给大象接种疫苗的方法。Q: What else do we need to do besides vaccinate?问: 除了提供疫苗之外,我们还需要做什麽?Beyond plan of children vaccinate vaccine even wh...
To map 100 mutants by this method would necessitate nearly 5,000 crosses.用这种方法来绘制100个突变型的遗传图就要做5000个杂交.Earth crosses the orbit of Halley's Comet annually in October.地球和哈雷彗星的轨道将于每年的十月份交叉.All the morning wreaths and c...
Many of the world's leaders have already denounced this election as a sham.许多国家的领导人已经指责这次大选弄虚作假。Its patrician dignity was a picturesque sham.它的贵族的尊严只是一套华丽的伪装.And let's be clear the supposed alternative, nonprof...
The traveling library services have been reorganised - in other words , they visit fewer places.地方将提供更多的就业机会, 尤其是服务行业.She reorganised her eating so that she was taking more fruit and vegetables and less starch, salt, and...