久久国产欧美日韩精品,日韩国产精品久久久久久亚洲,99视频精品全部免费免费,91精品国产综合久久走光

阿卡英語(yǔ) / 查找:vaccines” [共找到4條結(jié)果]
  • vaccines造句

    Twelve potential vaccines are currently being tested on human volunteers.目前正在人類志愿者身上試驗(yàn)12種試用疫苗。Anti-malarial vaccines are now under-going trials.抗瘧疾的疫苗正在試驗(yàn)階段。His team are at the forefront of scientific research into vacci...
  • vaccines是什么意思?

    n.疫苗,痘苗( vaccine的名詞復(fù)數(shù) )...
  • vaccines的音標(biāo)?

    vaccines的音標(biāo):...
  • vaccines造句

    After the 1960 s, China began to inoculate BCG, pertussis, diphtheria, tetanus, measles and poliomyelitis vaccines.六十年代后, 中國(guó)開(kāi)始在大、中城市接種卡介苗 、 百日咳 、 白喉 、 破傷風(fēng) 、 麻疹、脊髓灰質(zhì)炎的疫苗的工作.Anti-malarial vaccines are now under-going trial...