centrum的复数形式怎么写

centrum的音标：centrum的英式发音音标为：['sentrəm]centrum的美式发音音标为：['sentrəm]...

This experiment researched the drawn force of the single centrum pedicle screws.此次实验研究的是单个椎体的螺钉拔出力.Clerk: Centrum? We have bottles of thirty and one hundred tablets.伙计: 善存? 我们有三十粒装和一百粒装的.Relax pressure and tired , balanc...

n.中心椎体，中枢...