The vacancy of her expression made me doubt if she was listening.她茫然的神情让我怀疑她是否在听.Lucy is the best person to fill this secretary vacancy.露西是秘书这个空缺的最佳人选.This will help to fill a vacancy in our knowledge.这有助于弥补我们知识上的空白....
The DNA of bacteria is replicated by a semiconservative mechanism.细菌的DNA是通过一种半保守性机理复制的.The phage has replicated and the donor cells have lysed.噬菌体已复制和给体细胞已发生裂解.Later outplant the seedlings in a replicated permanent test ...
For use with backflow preventer test cocks to protect from damage.用于防回流阀测试旋塞,防止受到破坏.Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.防回流阀采用耐腐蚀的300系列不锈钢制造.However, backflow may now ...