n.騎兵(隊(duì))
I am a soldier of the fourth cavalry. 我是第四騎兵部隊(duì)的一員。
They were taken in flank by a troop of cavalry. 他們的側(cè)翼受到一隊(duì)騎兵襲擊。
cavalry是集合名詞，用作主語(yǔ)時(shí)，如側(cè)重整體謂語(yǔ)動(dòng)詞用單數(shù)形式，如側(cè)重個(gè)體謂語(yǔ)動(dòng)詞用復(fù)數(shù)形式。
n.騎兵
騎兵
