linebacker的复数形式怎么拼写

linebacker的音标：linebacker的英式发音音标为：['laɪnbækə(r)]linebacker的美式发音音标为：['laɪnˌbækɚ]...

Hes built like a linebacker, said Dr. David Kalla, whodelivered the baby by Caesarean section.这名男婴通过剖腹产降生, 为他接生的医生大卫·卡拉说:“他的身材就像一名后卫球员. ”...

n.后卫球员...