There aren't many rape seeds left.下剩的油菜籽不多了.The rape has bolted.油菜抽薹了.As a result of the rape of the forests, parts of the country are now short of water.由于森林遭到破坏，目前该国的部分地区水源短缺。...
信号的方向指明最佳通过周围有障碍物急流的通道.Paddle blade should be turned flat for maximum visibility.'水沟'.''推动磨坊水轮的急流的''.'水沟'. ''.The channel for the water that drives a mill wheel.当你的皮船和木筏冲...
目的了解冻干风疹减毒活疫苗的免疫持久性.Objective To study the immunity duration of attenuated live rubella vaccine.预防接种流感活疫苗或减毒活疫苗.Influenza vaccination of live attenuated live vaccine or vaccines.乙脑减毒活疫苗对1～6岁儿童的保护率为95 98%,95%可信限为7203%～994...