双语例句
If the strain travels to united states as resistant strains have in the past, doct ors will have very few options.
如果这种毒株像过去的抗药性菌株一样传播到美国,医生将没有什么选择余地。
光电流变送器
If the strain travels to united states as resistant strains have in the past, doct ors will have very few options.
如果这种毒株像过去的抗药性菌株一样传播到美国,医生将没有什么选择余地。