首页bacterialbacterial考试真题

bacterial

英 [bæk'tɪərɪəl] 美[bæk'tɪrɪəl]
  • adj. [微] 细菌的

考试真题


And it's not just dropping food on the floor that can lead to bacterial contamination.

2018年12月四级真题(第三套)阅读 Section B