fourfold

fourfold的英语例句

1. By the late eighties their number had grown fourfold.

   到80年代末的时候，他们的数量已是原来的4倍。

2. For a diagnosis of tularemia you need a fourfold increase in serum antibody levels.

   要诊断是兔热症,她的血清抗体等级需要有4个部分的增长.

3. Electric hand is basic be electric head ache is fourfold.

   电手基本是电头疼痛的四倍.