常見例句"To take the positive view, the vaccine's effectiveness in preventing flu could be a lot higher," Belongia tells WebMD. 拜倫格爾對(duì)MD網(wǎng)說,“從積極的角度看,疫苗在預(yù)防流感方麪的作用可能更高些?!?/li> 返回 Belongia